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branch master updated: * tp/Texinfo/Structuring.pm (split_by_node, split


From: Patrice Dumas
Subject: branch master updated: * tp/Texinfo/Structuring.pm (split_by_node, split_by_section) (_label_target_element, elements_directions), tp/Texinfo/Convert/DocBook.pm (_convert), tp/Texinfo/Convert/HTML.pm (_convert_heading_command, _html_get_tree_root_element) (_prepare_tree_units_global_targets), tp/Texinfo/Convert/TexinfoXML.pm (_convert), tp/init/book.pm (book_convert_heading_command): when splitting associate tree unit elements to node and section elements through 'structure'->{'associated_unit'} and not by repar [...]
Date: Fri, 31 Dec 2021 18:41:54 -0500

This is an automated email from the git hooks/post-receive script.

pertusus pushed a commit to branch master
in repository texinfo.

The following commit(s) were added to refs/heads/master by this push:
     new f3e22f3c58 * tp/Texinfo/Structuring.pm (split_by_node, 
split_by_section) (_label_target_element, elements_directions), 
tp/Texinfo/Convert/DocBook.pm (_convert), tp/Texinfo/Convert/HTML.pm 
(_convert_heading_command, _html_get_tree_root_element) 
(_prepare_tree_units_global_targets), tp/Texinfo/Convert/TexinfoXML.pm 
(_convert), tp/init/book.pm (book_convert_heading_command): when splitting 
associate tree unit elements to node and section elements through 
'structure'->{'associated_un [...]
f3e22f3c58 is described below

commit f3e22f3c5818968170b46483505639c47226e421
Author: Patrice Dumas <pertusus@free.fr>
AuthorDate: Sat Jan 1 00:41:33 2022 +0100

    * tp/Texinfo/Structuring.pm (split_by_node, split_by_section)
    (_label_target_element, elements_directions),
    tp/Texinfo/Convert/DocBook.pm (_convert), tp/Texinfo/Convert/HTML.pm
    (_convert_heading_command, _html_get_tree_root_element)
    (_prepare_tree_units_global_targets), tp/Texinfo/Convert/TexinfoXML.pm
    (_convert), tp/init/book.pm (book_convert_heading_command): when
    splitting associate tree unit elements to node and section elements
    through 'structure'->{'associated_unit'} and not by reparenting to
    the tree units.
---
 ChangeLog                                          |    12 +
 tp/Texinfo/Convert/DocBook.pm                      |     7 +-
 tp/Texinfo/Convert/HTML.pm                         |    19 +-
 tp/Texinfo/Convert/TexinfoXML.pm                   |    24 +-
 tp/Texinfo/Structuring.pm                          |    26 +-
 tp/init/book.pm                                    |     6 +-
 .../results/converters_tests/at_commands_in_raw.pl |     9 +-
 tp/t/results/converters_tests/complex_nestings.pl  |     9 +-
 .../results/converters_tests/footnote_no_number.pl |     9 +-
 .../footnote_no_number_separate.pl                 |     9 +-
 tp/t/results/converters_tests/image_formatting.pl  |     9 +-
 .../index_entry_in_preformatted.pl                 |     9 +-
 .../printindex_merged_indices_code_style.pl        |     9 +-
 tp/t/results/converters_tests/ref_in_sectioning.pl |    98 +-
 tp/t/results/converters_tests/refs_formatting.pl   |    18 +-
 .../some_at_commands_in_ref_nodes.pl               |    17 +-
 .../converters_tests/spaces_in_empty_node_names.pl |    18 +-
 .../converters_tests/spaces_in_node_names.pl       |    12 +-
 .../converters_tests/test_deftypefnnewline.pl      |    17 +-
 .../converters_tests/things_before_setfilename.pl  |    27 +-
 .../things_before_setfilename_no_element.pl        |    10 +-
 tp/t/results/converters_tests/top_in_ref.pl        |     6 +-
 .../converters_tests/top_in_ref_keep_top.pl        |     6 +-
 tp/t/results/coverage/block_commands.pl            |     5 +-
 tp/t/results/coverage/commands.pl                  |     3 +-
 .../coverage/punctuation_in_line_commands.pl       |    30 +-
 tp/t/results/coverage_braces/footnote_no_node.pl   |     5 +-
 .../results/coverage_braces/heading_in_footnote.pl |     3 +-
 .../coverage_braces/inforef_too_much_args.pl       |     9 +-
 tp/t/results/coverage_braces/test_image.pl         |    14 +-
 .../coverage_braces/two_footnotes_in_nodes.pl      |    17 +-
 .../two_footnotes_in_nodes_separate.pl             |    17 +-
 tp/t/results/coverage_braces/verb_in_xref.pl       |     9 +-
 .../def/all_commands_delimiters_printindex.pl      |    18 +-
 tp/t/results/def/all_commands_printindex.pl        |    18 +-
 tp/t/results/def/ref_in_def.pl                     |     9 +-
 tp/t/results/def/space_in_def_for_index.pl         |     9 +-
 .../docbook_tests/multiple_documentlanguage.pl     |    44 +-
 .../docbook_tests/special_docbook_unnumbered.pl    |    41 +-
 tp/t/results/float/anchor_in_caption.pl            |    14 +-
 tp/t/results/float/cindex_in_caption.pl            |    17 +-
 .../results/float/comment_space_comand_in_float.pl |    14 +-
 tp/t/results/float/complex_float.pl                |    27 +-
 .../float/empty_listoffloats_with_floats.pl        |    16 +-
 tp/t/results/float/float_copying.pl                |    25 +-
 tp/t/results/float/float_with_at_commands.pl       |     5 +-
 tp/t/results/float/footnote_in_caption.pl          |    14 +-
 .../results/float/footnote_in_caption_and_error.pl |    14 +-
 .../float/numbering_captions_listoffloats.pl       |   175 +-
 tp/t/results/float/ref_to_float.pl                 |    10 +-
 tp/t/results/float/simple.pl                       |     5 +-
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 tp/t/results/formatting/cond_xml.pl                |     9 +-
 .../formatting/direntry_dircategory_info_split.pl  |    17 +-
 .../formatting/documentlanguage_set_option.pl      |    17 +-
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 .../formatting/documentlanguage_set_unknown.pl     |    17 +-
 tp/t/results/formatting/float_copying.pl           |    31 +-
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 tp/t/results/formatting/split_nocopying_split.pl   |    17 +-
 tp/t/results/formatting/texi_bib_example.pl        |    26 +-
 tp/t/results/formatting/texi_cond.pl               |     9 +-
 tp/t/results/formatting/texi_glossary.pl           |    17 +-
 tp/t/results/heading/heading_in_copying.pl         |    15 +-
 tp/t/results/heading/heading_in_example.pl         |     3 +-
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 .../character_number_leading_toc_stoc.pl           |    21 +-
 tp/t/results/html_tests/check_htmlxref.pl          |    11 +-
 .../deftypefnnewline_for_copying_after.pl          |    17 +-
 .../deftypefnnewline_for_copying_before.pl         |    17 +-
 tp/t/results/html_tests/documentdescription.pl     |     5 +-
 .../empty_lines_at_beginning_no_setfilename.pl     |    17 +-
 .../html_tests/footnotestyle_separate_late.pl      |  1409 ++-
 tp/t/results/html_tests/html_in_copying.pl         |    17 +-
 .../results/html_tests/index_and_node_same_name.pl |    14 +-
 tp/t/results/html_tests/index_below.pl             |   580 +-
 tp/t/results/html_tests/redirection_same_labels.pl |  3440 +++---
 tp/t/results/html_tests/ref_in_preformatted.pl     |     6 +-
 tp/t/results/html_tests/shortcontents_no_top.pl    |    18 +-
 tp/t/results/html_tests/simple_menu.pl             |     8 +-
 .../html_tests/test_xrefautomaticsectiontitle.pl   |    17 +-
 .../test_xrefautomaticsectiontitle_off_first.pl    |    17 +-
 .../text_before_top_and_contents_after_title.pl    |    23 +-
 ...t_before_top_and_summarycontents_after_title.pl |    23 +-
 tp/t/results/html_tests/titles.pl                  |    17 +-
 tp/t/results/htmlxref/htmlxref.pl                  |    35 +-
 tp/t/results/htmlxref/htmlxref_nodes.pl            |    35 +-
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 tp/t/results/include/cpp_lines.pl                  |     3 +-
 .../macro_and_commands_in_early_commands.pl        |     8 +-
 tp/t/results/include/macro_in_early_commands.pl    |     8 +-
 tp/t/results/include/value_expansion_in_include.pl |     3 +-
 tp/t/results/indices/complex_recursive_synindex.pl |     3 +-
 tp/t/results/indices/def_syn_indices.pl            |    17 +-
 ...default_cp_index_and_one_letter_syncodeindex.pl |     9 +-
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 .../misc_commands/comment_space_command_on_line.pl |    25 +-
 .../no_empty_line_between_headings.pl              |    20 +-
 tp/t/results/misc_commands/ref_in_center.pl        |     9 +-
 tp/t/results/misc_commands/test_allowcodebreaks.pl |     9 +-
 .../misc_commands/text_before_line_command.pl      |     9 +-
 tp/t/results/morecoverage/formatting_fr.pl         |    61 +-
 tp/t/results/morecoverage/texi_formatting.pl       |    61 +-
 tp/t/results/moreindices/double_index_entry.pl     |     6 +-
 tp/t/results/moreindices/index_no_node.pl          |    27 +-
 tp/t/results/moreindices/index_split.pl            |    80 +-
 tp/t/results/moreindices/index_split_nodes.pl      |    80 +-
 tp/t/results/moreindices/nodes_before_top.pl       |    21 +-
 .../nodes_before_top_and_sections_monolithic.pl    |    38 +-
 .../moreindices/nodes_before_top_no_nodes.pl       |    21 +-
 tp/t/results/moreindices/nodes_before_top_nodes.pl |    21 +-
 tp/t/results/moreindices/split_chapter_index.pl    |    35 +-
 tp/t/results/moresectioning/equivalent_nodes.pl    |    12 +-
 .../moresectioning/equivalent_nodes_no_node.pl     |    12 +-
 .../moresectioning/more_sections_than_nodes.pl     |    92 +-
 tp/t/results/moresectioning/node_footnote_end.pl   |    21 +-
 .../moresectioning/node_footnote_separated.pl      |    21 +-
 .../moresectioning/node_footnote_use_node.pl       |    21 +-
 .../nodes_after_top_before_chapter.pl              |    15 +-
 ...s_after_top_before_chapter_use_nodes_chapter.pl |    15 +-
 .../nodes_after_top_before_section.pl              |    15 +-
 .../nodes_after_top_before_section_use_nodes.pl    |    15 +-
 ...s_after_top_before_section_use_nodes_chapter.pl |    15 +-
 .../moresectioning/placed_things_before_element.pl |    11 +-
 tp/t/results/moresectioning/sectioning_frames.pl   |   105 +-
 .../results/moresectioning/top_node_up_explicit.pl |    17 +-
 .../results/moresectioning/top_node_up_implicit.pl |    17 +-
 .../moresectioning/two_footnotes_in_nodes.pl       |    17 +-
 .../two_footnotes_in_nodes_separated.pl            |    17 +-
 tp/t/results/paragraph/commands_in_flushright.pl   |     5 +-
 tp/t/results/plaintext_tests/all_spaces.pl         |     9 +-
 .../plaintext_tests/chinese_mixed_with_en.pl       |     9 +-
 tp/t/results/plaintext_tests/japanese_utf8.pl      |    26 +-
 .../plaintext_tests/line_passed_and_formats.pl     |     3 +-
 .../plaintext_tests/no_empty_line_after_section.pl |    23 +-
 tp/t/results/plaintext_tests/non_break_spaces.pl   |     9 +-
 tp/t/results/plaintext_tests/quote_node_names.pl   |    47 +-
 .../plaintext_tests/settitle_and_empty_top.pl      |     5 +-
 tp/t/results/preformatted/caption_in_example.pl    |     3 +-
 tp/t/results/regions/anchor_in_copying.pl          |     9 +-
 .../regions/anchor_in_copying_in_footnote.pl       |     9 +-
 tp/t/results/regions/anchor_in_titlepage.pl        |    14 +-
 .../regions/anchor_in_titlepage_titlepage.pl       |    14 +-
 tp/t/results/regions/format_in_titlepage.pl        |     9 +-
 .../regions/format_in_titlepage_titlepage.pl       |     9 +-
 tp/t/results/regions/ref_in_copying.pl             |    17 +-
 tp/t/results/regions/today_in_copying.pl           |    17 +-
 tp/t/results/sectioning/a_comma_after_node.pl      |     3 +-
 tp/t/results/sectioning/anchor_in_footnote.pl      |    17 +-
 .../sectioning/anchor_in_footnote_separate.pl      |    17 +-
 tp/t/results/sectioning/anchor_zero.pl             |     9 +-
 tp/t/results/sectioning/at_commands_in_node.pl     |     3 +-
 .../sectioning/chapter_before_and_after_part.pl    |   427 +-
 tp/t/results/sectioning/chapter_before_part.pl     |   239 +-
 tp/t/results/sectioning/chapter_between_nodes.pl   |    23 +-
 .../chapter_node_before_and_after_part.pl          |    23 +-
 tp/t/results/sectioning/chapter_sections.pl        |  1187 +-
 .../sectioning/character_and_spaces_in_node.pl     |    15 +-
 .../sectioning/character_and_spaces_in_refs.pl     |    32 +-
 .../sectioning/character_and_spaces_in_refs_out.pl |  4215 ++++----
 tp/t/results/sectioning/complex.pl                 | 10334 ++++++++++--------
 tp/t/results/sectioning/complex_split_at_node.pl   | 10721 +++++++++++--------
 tp/t/results/sectioning/contents.pl                |    63 +-
 .../sectioning/contents_and_shortcontents.pl       |    63 +-
 .../sectioning/contents_at_document_begin.pl       |    14 +-
 .../results/sectioning/contents_at_end_document.pl |    14 +-
 .../contents_at_end_document_after_node.pl         |    17 +-
 tp/t/results/sectioning/contents_in_document.pl    |    14 +-
 tp/t/results/sectioning/contents_in_html_text.pl   |    23 +-
 tp/t/results/sectioning/contents_no_section.pl     |     3 +-
 .../sectioning/contents_with_only_top_node.pl      |     9 +-
 .../results/sectioning/double_node_anchor_float.pl |    29 +-
 tp/t/results/sectioning/double_part.pl             |  1566 +--
 tp/t/results/sectioning/double_top.pl              |     6 +-
 tp/t/results/sectioning/double_top_in_menu.pl      |     3 +-
 tp/t/results/sectioning/double_top_section.pl      |    10 +-
 tp/t/results/sectioning/email_in_node.pl           |     3 +-
 tp/t/results/sectioning/empty_ref_arg.pl           |     3 +-
 tp/t/results/sectioning/empty_top_node_up.pl       |    11 +-
 tp/t/results/sectioning/equivalent_labels.pl       |    11 +-
 tp/t/results/sectioning/equivalent_nodes.pl        |     6 +-
 .../results/sectioning/explicit_node_directions.pl |  1333 ++-
 tp/t/results/sectioning/external_node_in_menu.pl   |    26 +-
 tp/t/results/sectioning/hole_in_sectioning.pl      |    29 +-
 tp/t/results/sectioning/internal_top_node_up.pl    |   826 +-
 tp/t/results/sectioning/lone_Top_node.pl           |   654 +-
 tp/t/results/sectioning/loop_nodes.pl              |    17 +-
 tp/t/results/sectioning/lowered_subsubsection.pl   |    62 +-
 tp/t/results/sectioning/loweredheading.pl          |     9 +-
 tp/t/results/sectioning/menutextorder.pl           |    63 +-
 .../results/sectioning/more_sections_than_nodes.pl |    92 +-
 tp/t/results/sectioning/next_in_menu_is_below.pl   |    35 +-
 tp/t/results/sectioning/next_no_prev_to_node.pl    |     9 +-
 .../results/sectioning/no_argument_and_contents.pl |    11 +-
 tp/t/results/sectioning/no_element.pl              |     5 +-
 tp/t/results/sectioning/no_menu.pl                 |    35 +-
 tp/t/results/sectioning/node_empty_direction.pl    |     3 +-
 tp/t/results/sectioning/node_line_arguments.pl     |    21 +-
 tp/t/results/sectioning/node_nested_parentheses.pl |     3 +-
 .../sectioning/node_part_chapter_after_chapter.pl  |  1935 ++--
 .../sectioning/node_part_chapter_after_top.pl      |  1190 +-
 tp/t/results/sectioning/node_referenced_in_ref.pl  |     9 +-
 .../node_sectop_before_chapter_no_node.pl          |    23 +-
 .../sectioning/node_sectop_before_lone_node_Top.pl |    20 +-
 tp/t/results/sectioning/node_too_much_args.pl      |     3 +-
 .../node_up_direction_for_top_with_manual.pl       |     3 +-
 tp/t/results/sectioning/node_up_external_node.pl   |  1005 +-
 tp/t/results/sectioning/nodename_parentheses.pl    |    35 +-
 .../nodes_after_top_before_chapter_nodes.pl        |  1555 +--
 .../nodes_after_top_before_chapter_not_split.pl    |    15 +-
 ...ore_chapter_not_split_no_use_node_directions.pl |    15 +-
 .../nodes_after_top_before_chapter_sections.pl     |  1149 +-
 .../nodes_after_top_before_section_nodes.pl        |  1560 +--
 .../nodes_after_top_before_section_sections.pl     |  1152 +-
 tp/t/results/sectioning/nodes_before_after_top.pl  |    23 +-
 .../sectioning/nodes_before_after_top_xref.pl      |    23 +-
 tp/t/results/sectioning/nodes_before_top.pl        |    23 +-
 .../nodes_no_node_top_explicit_directions.pl       |   893 +-
 .../non_automatic_internal_top_node_up.pl          |  1434 +--
 .../non_automatic_top_node_up_and_url.pl           |  1434 +--
 .../sectioning/non_automatic_top_node_up_url.pl    |  1231 ++-
 tp/t/results/sectioning/novalidate.pl              |     3 +-
 .../one_node_explicit_directions_anchor.pl         |     3 +-
 tp/t/results/sectioning/one_subsection.pl          |     6 +-
 tp/t/results/sectioning/one_subsection_and_node.pl |    18 +-
 tp/t/results/sectioning/part_before_chapter.pl     |   190 +-
 tp/t/results/sectioning/part_before_section.pl     |   190 +-
 tp/t/results/sectioning/part_before_top.pl         |   189 +-
 tp/t/results/sectioning/part_chapter_after_top.pl  |  1190 +-
 tp/t/results/sectioning/part_chapter_appendix.pl   |    17 +-
 tp/t/results/sectioning/part_node_after_top.pl     |   824 +-
 tp/t/results/sectioning/part_node_before_top.pl    |   806 +-
 .../sectioning/part_node_chapter_after_top.pl      |  1741 +--
 .../sectioning/part_node_chapter_appendix.pl       |  1483 ++-
 .../sectioning/part_node_chapter_node_appendix.pl  |  1869 ++--
 .../sectioning/part_node_node_part_appendix.pl     |  2041 ++--
 tp/t/results/sectioning/part_node_part_appendix.pl |  1620 +--
 .../sectioning/part_node_part_node_appendix.pl     |  2041 ++--
 .../sectioning/placed_things_before_element.pl     |    11 +-
 .../sectioning/placed_things_before_node.pl        |    22 +-
 .../sectioning/protected_node_parentheses.pl       |    11 +-
 tp/t/results/sectioning/raiselowersections.pl      |    53 +-
 tp/t/results/sectioning/rec_nodes.pl               |    15 +-
 tp/t/results/sectioning/ref_to_top.pl              |    17 +-
 .../sectioning/section_before_after_top_node.pl    |    28 +-
 .../section_before_after_top_node_last_node.pl     |    22 +-
 tp/t/results/sectioning/section_before_chapter.pl  |    12 +-
 tp/t/results/sectioning/section_before_part.pl     |    11 +-
 tp/t/results/sectioning/section_before_top.pl      |    17 +-
 .../sectioning/section_before_top_no_node.pl       |    11 +-
 .../results/sectioning/section_below_unnumbered.pl |    24 +-
 .../sectioning/section_below_unnumbered_no_top.pl  |    10 +-
 .../sectioning/section_chapter_before_top.pl       |    17 +-
 .../sectioning/section_chapter_before_top_nodes.pl |    26 +-
 .../sectioning/section_in_unnumbered_info.pl       |   263 +-
 .../sectioning/section_in_unnumbered_plaintext.pl  |   263 +-
 .../results/sectioning/section_node_before_part.pl |    23 +-
 .../results/sectioning/sectioning_part_appendix.pl |  1627 +--
 .../sectioning/sectioning_part_appendix_no_top.pl  |  1445 +--
 tp/t/results/sectioning/sections.pl                |     6 +-
 tp/t/results/sectioning/sections_test.pl           |    63 +-
 .../sectioning/sections_test_no_use_nodes.pl       |    63 +-
 ...ctions_test_no_use_nodes_use_node_directions.pl |    63 +-
 tp/t/results/sectioning/semi_auto.pl               |    35 +-
 .../setfilename_on_top_and_after_node.pl           |    17 +-
 tp/t/results/sectioning/shortcontents.pl           |    63 +-
 tp/t/results/sectioning/space_in_node.pl           |    12 +-
 tp/t/results/sectioning/top_chapter_sections.pl    |  1353 ++-
 .../sectioning/top_no_argument_and_content.pl      |     5 +-
 .../results/sectioning/top_no_argument_and_node.pl |    17 +-
 .../sectioning/top_no_argument_and_top_node.pl     |    17 +-
 .../sectioning/top_node_no_menu_direction.pl       |     6 +-
 tp/t/results/sectioning/top_node_part_top.pl       |   368 +-
 tp/t/results/sectioning/top_node_up_url.pl         |   826 +-
 tp/t/results/sectioning/top_part_chapter.pl        |   378 +-
 tp/t/results/sectioning/top_without_node_nodes.pl  |   553 +-
 .../sectioning/top_without_node_sections.pl        |   680 +-
 .../transliterated_split_equivalent_nodes.pl       |  1662 +--
 tp/t/results/sectioning/two_nodes_at_the_end.pl    |  1766 +--
 .../sectioning/two_nodes_between_chapters.pl       |  2168 ++--
 .../sectioning/two_unnumbered_no_argument.pl       |    10 +-
 tp/t/results/sectioning/unknown_node_in_menu.pl    |     3 +-
 .../sectioning/unnumbered_before_node_top_top.pl   |   566 +-
 tp/t/results/sectioning/unnumbered_before_top.pl   |    10 +-
 .../sectioning/unnumbered_before_top_node.pl       |   351 +-
 tp/t/results/sectioning/unnumbered_no_argument.pl  |     5 +-
 .../unnumbered_top_without_node_nodes.pl           |  1080 +-
 .../unnumbered_top_without_node_sections.pl        |  1205 ++-
 tp/t/results/value/value_in_index_commands.pl      |     3 +-
 tp/t/results/value/value_in_misc_commands.pl       |    11 +-
 tp/t/results/value/value_in_node.pl                |    20 +-
 tp/t/results/value/value_node_directions.pl        |    26 +-
 tp/t/results/xml_tests/commands_and_spaces.pl      |     8 +-
 tp/t/results/xml_tests/comments_end_lines.pl       |     5 +-
 .../xml_tests/comments_on_block_command_lines.pl   |     5 +-
 tp/t/results/xml_tests/image_inline_or_not.pl      |    22 +-
 tp/t/results/xml_tests/node_and_bye.pl             |   165 +-
 tp/t/results/xml_tests/node_no_section.pl          |     9 +-
 tp/t/results/xtable/block_commands_in_table.pl     |    17 +-
 .../results/xtable/inter_item_commands_in_table.pl |    17 +-
 tp/t/test_utils.pl                                 |    13 +-
 502 files changed, 50397 insertions(+), 40513 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index c6683beaff..05fd50eeb3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2022-01-01  Patrice Dumas  <pertusus@free.fr>
+
+       * tp/Texinfo/Structuring.pm (split_by_node, split_by_section)
+       (_label_target_element, elements_directions),
+       tp/Texinfo/Convert/DocBook.pm (_convert), tp/Texinfo/Convert/HTML.pm
+       (_convert_heading_command, _html_get_tree_root_element)
+       (_prepare_tree_units_global_targets), tp/Texinfo/Convert/TexinfoXML.pm
+       (_convert), tp/init/book.pm (book_convert_heading_command): when
+       splitting associate tree unit elements to node and section elements
+       through 'structure'->{'associated_unit'} and not by reparenting to
+       the tree units.
+
 2021-12-31  Patrice Dumas  <pertusus@free.fr>
 
        * tp/Texinfo/Structuring.pm (check_nodes_are_referenced)
diff --git a/tp/Texinfo/Convert/DocBook.pm b/tp/Texinfo/Convert/DocBook.pm
index 55618d2073..5b0f8f141e 100644
--- a/tp/Texinfo/Convert/DocBook.pm
+++ b/tp/Texinfo/Convert/DocBook.pm
@@ -1429,10 +1429,9 @@ sub _convert($$;$)
            or ($element->{'cmdname'}
                and $Texinfo::Common::root_commands{$element->{'cmdname'}}
                and $element->{'cmdname'} ne 'node'
-               and !($element->{'parent'} and $element->{'parent'}->{'type'}
-                     and $element->{'parent'}->{'type'} eq 'unit'
-                     and $element->{'parent'}->{'extra'} 
-                     and $element->{'parent'}->{'extra'}->{'unit_command'} eq 
$element))) {
+               and !($element->{'structure'}->{'associated_unit'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'} eq 
$element))) {
     if ($element->{'type'} and $element->{'type'} eq 'unit') {
       $element = $element->{'extra'}->{'unit_command'};
     }
diff --git a/tp/Texinfo/Convert/HTML.pm b/tp/Texinfo/Convert/HTML.pm
index a4d0d53324..097e58552e 100644
--- a/tp/Texinfo/Convert/HTML.pm
+++ b/tp/Texinfo/Convert/HTML.pm
@@ -2861,10 +2861,8 @@ sub _convert_heading_command($$$$$)
           if ($self->get_conf('DEBUG'));
   my $tree_unit;
   if ($Texinfo::Common::root_commands{$element->{'cmdname'}}
-      and $element->{'parent'}
-      and $element->{'parent'}->{'type'}
-      and $element->{'parent'}->{'type'} eq 'unit') {
-    $tree_unit = $element->{'parent'};
+      and $element->{'structure'}->{'associated_unit'}) {
+    $tree_unit = $element->{'structure'}->{'associated_unit'};
   }
   my $element_header = '';
   if ($tree_unit) {
@@ -6236,7 +6234,10 @@ sub _html_get_tree_root_element($$;$)
           return ($root_element);
       }
     }
-    if ($current->{'parent'}) {
+    if ($current->{'structure'}->{'associated_unit'}) {
+      #print STDERR "ASSOCIATED_UNIT 
".Texinfo::Common::debug_print_element_short($current->{'structure'}->{'associated_unit'})."\n"
 if ($debug);
+      $current = $current->{'structure'}->{'associated_unit'};
+    } elsif ($current->{'parent'}) {
       #print STDERR "PARENT 
".Texinfo::Common::debug_print_element_short($current->{'parent'})."\n" if 
($debug);
       $current = $current->{'parent'};
     } else {
@@ -6654,9 +6655,9 @@ sub _prepare_tree_units_global_targets($$)
       if ($root_command and $root_command->{'cmdname'} ne 'node') {
         while ($root_command->{'structure'}->{'level'} > 1
                and $root_command->{'structure'}->{'section_up'}
-               and $root_command->{'structure'}->{'section_up'}->{'parent'}) {
+               and 
$root_command->{'structure'}->{'section_up'}->{'structure'}->{'associated_unit'})
 {
           $root_command = $root_command->{'structure'}->{'section_up'};
-          $root_element = $root_command->{'parent'};
+          $root_element = $root_command->{'structure'}->{'associated_unit'};
         }
       }
       $self->{'global_target_elements'}->{'Index'} = $root_element;
@@ -6668,9 +6669,9 @@ sub _prepare_tree_units_global_targets($$)
   my $section_top;
   $section_top = $self->{'global_commands'}->{'top'} if 
($self->{'global_commands'});
   if ($section_top) {
-    $self->{'global_target_elements'}->{'Top'} = $section_top->{'parent'};
+    $self->{'global_target_elements'}->{'Top'} = 
$section_top->{'structure'}->{'associated_unit'};
   } elsif ($node_top) {
-    my $tree_unit_top = $node_top->{'parent'};
+    my $tree_unit_top = $node_top->{'structure'}->{'associated_unit'};
     if (!$tree_unit_top) {
       die "No parent for node_top: 
".Texinfo::Common::debug_print_element($node_top);
     }
diff --git a/tp/Texinfo/Convert/TexinfoXML.pm b/tp/Texinfo/Convert/TexinfoXML.pm
index f30e522f6c..77b3615cb6 100644
--- a/tp/Texinfo/Convert/TexinfoXML.pm
+++ b/tp/Texinfo/Convert/TexinfoXML.pm
@@ -1004,10 +1004,8 @@ sub _convert($$;$)
         # the command associated with an element is closed at the end of the
         # element. @bye is withing the element, but we want it to appear after
         # the command closing.  So we delay the output of @bye, and store it.
-        if ($cmdname eq 'bye' and $element->{'parent'}
-            and $element->{'parent'}->{'type'}
-            and $element->{'parent'}->{'type'} eq 'unit'
-            and defined($element->{'parent'}->{'extra'}->{'unit_command'})) {
+        if ($cmdname eq 'bye' and $element->{'structure'}->{'associated_unit'}
+            and 
defined($element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'}))
 {
           $self->{'pending_bye'} = $self->open_element($cmdname)
                     .$self->close_element($cmdname)."\n";
           return '';
@@ -1664,11 +1662,10 @@ sub _convert($$;$)
             or ($element->{'cmdname'}
                 and $Texinfo::Common::root_commands{$element->{'cmdname'}}
                 and $element->{'cmdname'} ne 'node'
-                and !($element->{'parent'} and $element->{'parent'}->{'type'}
-                     and $element->{'parent'}->{'type'} eq 'unit'
-                     and $element->{'parent'}->{'extra'}
-                     and $element->{'parent'}->{'extra'}->{'unit_command'}
-                     and $element->{'parent'}->{'extra'}->{'unit_command'} eq 
$element)))
+                and !($element->{'structure'}->{'associated_unit'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'} eq 
$element)))
            and !$self->get_conf('USE_NODES')) {
     if ($element->{'type'} and $element->{'type'} eq 'unit') {
       $element = $element->{'extra'}->{'unit_command'};
@@ -1702,11 +1699,10 @@ sub _convert($$;$)
              and $element->{'extra'}->{'unit_command'}->{'cmdname'} eq 'node')
             or ($element->{'cmdname'}
                 and $element->{'cmdname'} eq 'node'
-                and !($element->{'parent'} and $element->{'parent'}->{'type'}
-                     and $element->{'parent'}->{'type'} eq 'unit'
-                     and $element->{'parent'}->{'extra'}
-                     and $element->{'parent'}->{'extra'}->{'unit_command'}
-                     and $element->{'parent'}->{'extra'}->{'unit_command'} eq 
$element)))
+                and !($element->{'structure'}->{'associated_unit'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'}
+                     and 
$element->{'structure'}->{'associated_unit'}->{'extra'}->{'unit_command'} eq 
$element)))
            and $self->get_conf('USE_NODES')) {
     $result .= $self->close_element('node');
     
diff --git a/tp/Texinfo/Structuring.pm b/tp/Texinfo/Structuring.pm
index 9e1b656f07..c1e71b30ba 100644
--- a/tp/Texinfo/Structuring.pm
+++ b/tp/Texinfo/Structuring.pm
@@ -863,12 +863,12 @@ sub split_by_node($)
     if (@pending_parts) {
       foreach my $part (@pending_parts) {
         push @{$current->{'contents'}}, $part;
-        $part->{'parent'} = $current;
+        $part->{'structure'}->{'associated_unit'} = $current;
       }
       @pending_parts = ();
     }
     push @{$current->{'contents'}}, $content;
-    $content->{'parent'} = $current;
+    $content->{'structure'}->{'associated_unit'} = $current;
   }
   return $tree_units;
 }
@@ -926,7 +926,7 @@ sub split_by_section($)
       $current->{'extra'}->{'node'} = $content;
     }
     push @{$current->{'contents'}}, $content;
-    $content->{'parent'} = $current;
+    $content->{'structure'}->{'associated_unit'} = $current;
   }
   return $tree_units;
 }
@@ -994,7 +994,7 @@ sub _label_target_element($)
     }
     return $external_node;
   } elsif ($label->{'cmdname'} and $label->{'cmdname'} eq 'node') {
-    return $label->{'parent'};
+    return $label->{'structure'}->{'associated_unit'};
   } else {
     # case of a @float or an @anchor, no target element defined at this stage
     return undef;
@@ -1042,7 +1042,7 @@ sub elements_directions($$$)
                and 
$node->{'associated_section'}->{'structure'}->{'section_childs'}
                and 
$node->{'associated_section'}->{'structure'}->{'section_childs'}->[0]) {
         $directions->{'NodeForward'}
-          = 
$node->{'associated_section'}->{'structure'}->{'section_childs'}->[0]->{'parent'};
+          = 
$node->{'associated_section'}->{'structure'}->{'section_childs'}->[0]->{'structure'}->{'associated_unit'};
       } elsif ($node->{'structure'}->{'node_next'}) {
         $directions->{'NodeForward'} = 
_label_target_element($node->{'structure'}->{'node_next'});
       } else {
@@ -1097,16 +1097,16 @@ sub elements_directions($$$)
       my $section = $tree_unit->{'extra'}->{'section'};
       foreach my $direction(['Up', 'section_up'], ['Next', 'section_next'],
                             ['Prev', 'section_prev']) {
-        # in most cases $section->{$direction->[1]}->{'parent'} is defined
+        # in most cases 
$section->{$direction->[1]}->{'structure'}->{'associated_unit'} is defined
         # but it may not be the case for the up of @top.
         # The section may be its own up in cases like
         #  @part part
         #  @chapter chapter
         # in that cas the direction is not set up
-        $directions->{$direction->[0]} = 
$section->{'structure'}->{$direction->[1]}->{'parent'}
+        $directions->{$direction->[0]} = 
$section->{'structure'}->{$direction->[1]}->{'structure'}->{'associated_unit'}
           if ($section->{'structure'}->{$direction->[1]}
-              and $section->{'structure'}->{$direction->[1]}->{'parent'}
-              and $section->{'structure'}->{$direction->[1]}->{'parent'} ne 
$section->{'parent'});
+              and 
$section->{'structure'}->{$direction->[1]}->{'structure'}->{'associated_unit'}
+              and 
$section->{'structure'}->{$direction->[1]}->{'structure'}->{'associated_unit'} 
ne $section->{'structure'}->{'associated_unit'});
       }
 
       my $up = $section;
@@ -1121,16 +1121,16 @@ sub elements_directions($$$)
           and $up->{'structure'}->{'section_childs'}
           and @{$up->{'structure'}->{'section_childs'}}) {
         $directions->{'FastForward'}
-           = $up->{'structure'}->{'section_childs'}->[0]->{'parent'};
+           = 
$up->{'structure'}->{'section_childs'}->[0]->{'structure'}->{'associated_unit'};
       } elsif ($up->{'structure'}->{'toplevel_next'}) {
-        $directions->{'FastForward'} = 
$up->{'structure'}->{'toplevel_next'}->{'parent'};
+        $directions->{'FastForward'} = 
$up->{'structure'}->{'toplevel_next'}->{'structure'}->{'associated_unit'};
       } elsif ($up->{'structure'}->{'section_next'}) {
-        $directions->{'FastForward'} = 
$up->{'structure'}->{'section_next'}->{'parent'};
+        $directions->{'FastForward'} = 
$up->{'structure'}->{'section_next'}->{'structure'}->{'associated_unit'};
       }
       # if the element isn't at the highest level, fastback is the
       # highest parent element
       if ($up and $up ne $section) {
-        $directions->{'FastBack'} = $up->{'parent'};
+        $directions->{'FastBack'} = $up->{'structure'}->{'associated_unit'};
       } elsif ($section->{'structure'}->{'level'} <= 1) {
         # the element is a top level element, we adjust the next
         # toplevel element fastback
diff --git a/tp/init/book.pm b/tp/init/book.pm
index 6874bb0326..8961802bff 100644
--- a/tp/init/book.pm
+++ b/tp/init/book.pm
@@ -182,10 +182,8 @@ sub book_convert_heading_command($$$$$)
           if ($self->get_conf('DEBUG'));
   my $tree_unit;
   if ($Texinfo::Common::root_commands{$element->{'cmdname'}}
-      and $element->{'parent'}
-      and $element->{'parent'}->{'type'}
-      and $element->{'parent'}->{'type'} eq 'unit') {
-    $tree_unit = $element->{'parent'};
+      and $element->{'structure'}->{'associated_unit'}) {
+    $tree_unit = $element->{'structure'}->{'associated_unit'};
   }
   my $element_header = '';
   if ($tree_unit) {
diff --git a/tp/t/results/converters_tests/at_commands_in_raw.pl 
b/tp/t/results/converters_tests/at_commands_in_raw.pl
index fa481656af..962fc3857c 100644
--- a/tp/t/results/converters_tests/at_commands_in_raw.pl
+++ b/tp/t/results/converters_tests/at_commands_in_raw.pl
@@ -802,8 +802,7 @@ $result_trees{'at_commands_in_raw'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1009,8 +1008,7 @@ $result_nodes{'at_commands_in_raw'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'at_commands_in_raw'} = {
@@ -1019,8 +1017,7 @@ $result_menus{'at_commands_in_raw'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'at_commands_in_raw'} = [
diff --git a/tp/t/results/converters_tests/complex_nestings.pl 
b/tp/t/results/converters_tests/complex_nestings.pl
index 349cde5c33..cf0b2e9e24 100644
--- a/tp/t/results/converters_tests/complex_nestings.pl
+++ b/tp/t/results/converters_tests/complex_nestings.pl
@@ -1171,8 +1171,7 @@ $result_trees{'complex_nestings'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1398,8 +1397,7 @@ $result_nodes{'complex_nestings'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'complex_nestings'} = {
@@ -1407,8 +1405,7 @@ $result_menus{'complex_nestings'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'complex_nestings'} = [];
diff --git a/tp/t/results/converters_tests/footnote_no_number.pl 
b/tp/t/results/converters_tests/footnote_no_number.pl
index e4bc20cc16..c2b035ab1b 100644
--- a/tp/t/results/converters_tests/footnote_no_number.pl
+++ b/tp/t/results/converters_tests/footnote_no_number.pl
@@ -150,8 +150,7 @@ $result_trees{'footnote_no_number'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -198,8 +197,7 @@ $result_nodes{'footnote_no_number'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'footnote_no_number'} = {
@@ -207,8 +205,7 @@ $result_menus{'footnote_no_number'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'footnote_no_number'} = [];
diff --git a/tp/t/results/converters_tests/footnote_no_number_separate.pl 
b/tp/t/results/converters_tests/footnote_no_number_separate.pl
index fff2f0c42e..76d6efd0b3 100644
--- a/tp/t/results/converters_tests/footnote_no_number_separate.pl
+++ b/tp/t/results/converters_tests/footnote_no_number_separate.pl
@@ -150,8 +150,7 @@ $result_trees{'footnote_no_number_separate'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -198,8 +197,7 @@ $result_nodes{'footnote_no_number_separate'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'footnote_no_number_separate'} = {
@@ -207,8 +205,7 @@ $result_menus{'footnote_no_number_separate'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'footnote_no_number_separate'} = [];
diff --git a/tp/t/results/converters_tests/image_formatting.pl 
b/tp/t/results/converters_tests/image_formatting.pl
index 5711467538..263e451dae 100644
--- a/tp/t/results/converters_tests/image_formatting.pl
+++ b/tp/t/results/converters_tests/image_formatting.pl
@@ -2096,8 +2096,7 @@ $result_trees{'image_formatting'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -2527,8 +2526,7 @@ $result_nodes{'image_formatting'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_formatting'} = {
@@ -2536,8 +2534,7 @@ $result_menus{'image_formatting'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_formatting'} = [];
diff --git a/tp/t/results/converters_tests/index_entry_in_preformatted.pl 
b/tp/t/results/converters_tests/index_entry_in_preformatted.pl
index e79ea26e9d..0aff4c4ff7 100644
--- a/tp/t/results/converters_tests/index_entry_in_preformatted.pl
+++ b/tp/t/results/converters_tests/index_entry_in_preformatted.pl
@@ -273,8 +273,7 @@ $result_trees{'index_entry_in_preformatted'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -345,8 +344,7 @@ $result_nodes{'index_entry_in_preformatted'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'index_entry_in_preformatted'} = {
@@ -354,8 +352,7 @@ $result_menus{'index_entry_in_preformatted'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'index_entry_in_preformatted'} = [];
diff --git 
a/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl 
b/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
index effb22fc23..6830248f56 100644
--- a/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
+++ b/tp/t/results/converters_tests/printindex_merged_indices_code_style.pl
@@ -551,8 +551,7 @@ $result_trees{'printindex_merged_indices_code_style'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -680,8 +679,7 @@ $result_nodes{'printindex_merged_indices_code_style'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'printindex_merged_indices_code_style'} = {
@@ -690,8 +688,7 @@ $result_menus{'printindex_merged_indices_code_style'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'printindex_merged_indices_code_style'} = [];
diff --git a/tp/t/results/converters_tests/ref_in_sectioning.pl 
b/tp/t/results/converters_tests/ref_in_sectioning.pl
index 74e80b316c..67244cafa6 100644
--- a/tp/t/results/converters_tests/ref_in_sectioning.pl
+++ b/tp/t/results/converters_tests/ref_in_sectioning.pl
@@ -75,8 +75,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -141,8 +140,7 @@ $result_trees{'ref_in_sectioning'} = {
                     'line_nr' => 11,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -465,10 +463,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -575,11 +570,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -620,8 +611,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -688,11 +678,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -772,11 +758,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -897,11 +879,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1007,11 +985,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1105,11 +1079,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.4'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1203,11 +1173,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.5'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1290,11 +1256,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.6'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1371,11 +1333,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.7'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1466,11 +1424,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.8'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1567,11 +1521,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.9'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1653,11 +1603,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.10'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1742,11 +1688,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.11'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1820,11 +1762,7 @@ $result_trees{'ref_in_sectioning'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.12'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/converters_tests/refs_formatting.pl 
b/tp/t/results/converters_tests/refs_formatting.pl
index c58e7f1950..c5dbb1b14e 100644
--- a/tp/t/results/converters_tests/refs_formatting.pl
+++ b/tp/t/results/converters_tests/refs_formatting.pl
@@ -51,8 +51,7 @@ $result_trees{'refs_formatting'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3594,11 +3593,7 @@ $result_trees{'refs_formatting'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -4344,8 +4339,7 @@ $result_sectioning{'refs_formatting'} = {
             'extra' => {
               'normalized' => 'chapter',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -4375,8 +4369,7 @@ $result_nodes{'refs_formatting'} = {
     },
     'normalized' => 'chapter',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'refs_formatting'} = {
@@ -4384,8 +4377,7 @@ $result_menus{'refs_formatting'} = {
   'extra' => {
     'normalized' => 'chapter',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'refs_formatting'} = [
diff --git a/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl 
b/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl
index 58d002bf8b..112cbb3826 100644
--- a/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl
+++ b/tp/t/results/converters_tests/some_at_commands_in_ref_nodes.pl
@@ -58,8 +58,7 @@ $result_trees{'some_at_commands_in_ref_nodes'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -510,10 +509,7 @@ $result_trees{'some_at_commands_in_ref_nodes'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -866,8 +862,7 @@ $result_trees{'some_at_commands_in_ref_nodes'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1419,11 +1414,7 @@ $result_trees{'some_at_commands_in_ref_nodes'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/converters_tests/spaces_in_empty_node_names.pl 
b/tp/t/results/converters_tests/spaces_in_empty_node_names.pl
index be7b202d89..796194a814 100644
--- a/tp/t/results/converters_tests/spaces_in_empty_node_names.pl
+++ b/tp/t/results/converters_tests/spaces_in_empty_node_names.pl
@@ -315,8 +315,7 @@ $result_trees{'spaces_in_empty_node_names'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,8 +364,7 @@ $result_trees{'spaces_in_empty_node_names'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -432,8 +430,7 @@ $result_trees{'spaces_in_empty_node_names'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -675,8 +672,7 @@ $result_trees{'spaces_in_empty_node_names'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -835,8 +831,7 @@ $result_nodes{'spaces_in_empty_node_names'} = {
         }
       }
     }
-  ],
-  'structure' => {}
+  ]
 };
 
 $result_menus{'spaces_in_empty_node_names'} = {
@@ -844,8 +839,7 @@ $result_menus{'spaces_in_empty_node_names'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'spaces_in_empty_node_names'} = [
diff --git a/tp/t/results/converters_tests/spaces_in_node_names.pl 
b/tp/t/results/converters_tests/spaces_in_node_names.pl
index 20d6e841cd..b7026802db 100644
--- a/tp/t/results/converters_tests/spaces_in_node_names.pl
+++ b/tp/t/results/converters_tests/spaces_in_node_names.pl
@@ -330,8 +330,7 @@ $result_trees{'spaces_in_node_names'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -391,8 +390,7 @@ $result_trees{'spaces_in_node_names'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -468,8 +466,7 @@ $result_trees{'spaces_in_node_names'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -739,8 +736,7 @@ $result_trees{'spaces_in_node_names'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/converters_tests/test_deftypefnnewline.pl 
b/tp/t/results/converters_tests/test_deftypefnnewline.pl
index f46ab0af35..b0fbec50fc 100644
--- a/tp/t/results/converters_tests/test_deftypefnnewline.pl
+++ b/tp/t/results/converters_tests/test_deftypefnnewline.pl
@@ -124,8 +124,7 @@ $result_trees{'test_deftypefnnewline'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -161,10 +160,7 @@ $result_trees{'test_deftypefnnewline'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,8 +201,7 @@ $result_trees{'test_deftypefnnewline'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2703,11 +2698,7 @@ $result_trees{'test_deftypefnnewline'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/converters_tests/things_before_setfilename.pl 
b/tp/t/results/converters_tests/things_before_setfilename.pl
index d40c2fd3fa..87f8b169a2 100644
--- a/tp/t/results/converters_tests/things_before_setfilename.pl
+++ b/tp/t/results/converters_tests/things_before_setfilename.pl
@@ -397,10 +397,7 @@ $result_trees{'things_before_setfilename'} = {
                 'line_nr' => 19,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'parent' => {},
@@ -595,10 +592,7 @@ $result_trees{'things_before_setfilename'} = {
                 'line_nr' => 26,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'parent' => {},
@@ -950,8 +944,7 @@ $result_trees{'things_before_setfilename'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1093,10 +1086,7 @@ $result_trees{'things_before_setfilename'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1371,8 +1361,7 @@ $result_sectioning{'things_before_setfilename'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -1400,8 +1389,7 @@ $result_nodes{'things_before_setfilename'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'things_before_setfilename'} = {
@@ -1409,8 +1397,7 @@ $result_menus{'things_before_setfilename'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'things_before_setfilename'} = [
diff --git 
a/tp/t/results/converters_tests/things_before_setfilename_no_element.pl 
b/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
index 5b512c8850..3baffdc1c8 100644
--- a/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
+++ b/tp/t/results/converters_tests/things_before_setfilename_no_element.pl
@@ -397,10 +397,7 @@ $result_trees{'things_before_setfilename_no_element'} = {
                 'line_nr' => 19,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'parent' => {},
@@ -595,10 +592,7 @@ $result_trees{'things_before_setfilename_no_element'} = {
                 'line_nr' => 26,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'parent' => {},
diff --git a/tp/t/results/converters_tests/top_in_ref.pl 
b/tp/t/results/converters_tests/top_in_ref.pl
index 65a5f22a46..424bc3fc59 100644
--- a/tp/t/results/converters_tests/top_in_ref.pl
+++ b/tp/t/results/converters_tests/top_in_ref.pl
@@ -58,8 +58,7 @@ $result_trees{'top_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3613,8 +3612,7 @@ $result_trees{'top_in_ref'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/converters_tests/top_in_ref_keep_top.pl 
b/tp/t/results/converters_tests/top_in_ref_keep_top.pl
index 631023c60a..1aa9e8908e 100644
--- a/tp/t/results/converters_tests/top_in_ref_keep_top.pl
+++ b/tp/t/results/converters_tests/top_in_ref_keep_top.pl
@@ -58,8 +58,7 @@ $result_trees{'top_in_ref_keep_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3613,8 +3612,7 @@ $result_trees{'top_in_ref_keep_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/coverage/block_commands.pl 
b/tp/t/results/coverage/block_commands.pl
index 0d05e0f618..0cfb6d6bfa 100644
--- a/tp/t/results/coverage/block_commands.pl
+++ b/tp/t/results/coverage/block_commands.pl
@@ -320,10 +320,7 @@ $result_trees{'block_commands'} = {
             'line_nr' => 10,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/coverage/commands.pl 
b/tp/t/results/coverage/commands.pl
index 3b289a35fb..84b2301ecb 100644
--- a/tp/t/results/coverage/commands.pl
+++ b/tp/t/results/coverage/commands.pl
@@ -444,8 +444,7 @@ $result_trees{'commands'} = {
             'line_nr' => 9,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/coverage/punctuation_in_line_commands.pl 
b/tp/t/results/coverage/punctuation_in_line_commands.pl
index b55038b43e..392da6657f 100644
--- a/tp/t/results/coverage/punctuation_in_line_commands.pl
+++ b/tp/t/results/coverage/punctuation_in_line_commands.pl
@@ -59,8 +59,7 @@ $result_trees{'punctuation_in_line_commands'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,10 +436,7 @@ $result_trees{'punctuation_in_line_commands'} = {
             'line_nr' => 14,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -577,10 +573,7 @@ $result_trees{'punctuation_in_line_commands'} = {
             'line_nr' => 19,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 2
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -701,8 +694,7 @@ $result_trees{'punctuation_in_line_commands'} = {
             'line_nr' => 28,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -846,10 +838,7 @@ $result_trees{'punctuation_in_line_commands'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1054,8 +1043,7 @@ $result_sectioning{'punctuation_in_line_commands'} = {
               'isindex' => 1,
               'normalized' => 'node_0021-After-punc',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -1084,8 +1072,7 @@ $result_nodes{'punctuation_in_line_commands'} = {
     'isindex' => 1,
     'normalized' => 'node_0021-After-punc',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'punctuation_in_line_commands'} = {
@@ -1094,8 +1081,7 @@ $result_menus{'punctuation_in_line_commands'} = {
     'isindex' => 1,
     'normalized' => 'node_0021-After-punc',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'punctuation_in_line_commands'} = [];
diff --git a/tp/t/results/coverage_braces/footnote_no_node.pl 
b/tp/t/results/coverage_braces/footnote_no_node.pl
index 198c87e147..568deb70dd 100644
--- a/tp/t/results/coverage_braces/footnote_no_node.pl
+++ b/tp/t/results/coverage_braces/footnote_no_node.pl
@@ -89,10 +89,7 @@ $result_trees{'footnote_no_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/coverage_braces/heading_in_footnote.pl 
b/tp/t/results/coverage_braces/heading_in_footnote.pl
index 836b099806..7e5238bc52 100644
--- a/tp/t/results/coverage_braces/heading_in_footnote.pl
+++ b/tp/t/results/coverage_braces/heading_in_footnote.pl
@@ -56,8 +56,7 @@ $result_trees{'heading_in_footnote'} = {
                         'line_nr' => 3,
                         'macro' => ''
                       },
-                      'parent' => {},
-                      'structure' => {}
+                      'parent' => {}
                     },
                     {
                       'args' => [
diff --git a/tp/t/results/coverage_braces/inforef_too_much_args.pl 
b/tp/t/results/coverage_braces/inforef_too_much_args.pl
index 0f06d2dcab..5d7047aafe 100644
--- a/tp/t/results/coverage_braces/inforef_too_much_args.pl
+++ b/tp/t/results/coverage_braces/inforef_too_much_args.pl
@@ -124,8 +124,7 @@ $result_trees{'inforef_too_much_args'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -163,8 +162,7 @@ $result_nodes{'inforef_too_much_args'} = {
   'extra' => {
     'normalized' => 'chapter',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'inforef_too_much_args'} = {
@@ -172,8 +170,7 @@ $result_menus{'inforef_too_much_args'} = {
   'extra' => {
     'normalized' => 'chapter',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'inforef_too_much_args'} = [
diff --git a/tp/t/results/coverage_braces/test_image.pl 
b/tp/t/results/coverage_braces/test_image.pl
index f52db09c41..1601e59e34 100644
--- a/tp/t/results/coverage_braces/test_image.pl
+++ b/tp/t/results/coverage_braces/test_image.pl
@@ -2966,10 +2966,7 @@ $result_trees{'test_image'} = {
             'line_nr' => 23,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3038,8 +3035,7 @@ $result_trees{'test_image'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3628,8 +3624,7 @@ $result_nodes{'test_image'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'test_image'} = {
@@ -3637,8 +3632,7 @@ $result_menus{'test_image'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'test_image'} = [
diff --git a/tp/t/results/coverage_braces/two_footnotes_in_nodes.pl 
b/tp/t/results/coverage_braces/two_footnotes_in_nodes.pl
index a93b9a2f46..2b4428dea8 100644
--- a/tp/t/results/coverage_braces/two_footnotes_in_nodes.pl
+++ b/tp/t/results/coverage_braces/two_footnotes_in_nodes.pl
@@ -51,8 +51,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -336,10 +335,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -380,8 +376,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -549,11 +544,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/coverage_braces/two_footnotes_in_nodes_separate.pl 
b/tp/t/results/coverage_braces/two_footnotes_in_nodes_separate.pl
index 5160a988c0..458dbbbb20 100644
--- a/tp/t/results/coverage_braces/two_footnotes_in_nodes_separate.pl
+++ b/tp/t/results/coverage_braces/two_footnotes_in_nodes_separate.pl
@@ -83,8 +83,7 @@ $result_trees{'two_footnotes_in_nodes_separate'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -368,10 +367,7 @@ $result_trees{'two_footnotes_in_nodes_separate'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -412,8 +408,7 @@ $result_trees{'two_footnotes_in_nodes_separate'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -581,11 +576,7 @@ $result_trees{'two_footnotes_in_nodes_separate'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/coverage_braces/verb_in_xref.pl 
b/tp/t/results/coverage_braces/verb_in_xref.pl
index 8d7051d702..71998c807f 100644
--- a/tp/t/results/coverage_braces/verb_in_xref.pl
+++ b/tp/t/results/coverage_braces/verb_in_xref.pl
@@ -153,8 +153,7 @@ $result_trees{'verb_in_xref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -199,8 +198,7 @@ $result_nodes{'verb_in_xref'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'verb_in_xref'} = {
@@ -208,8 +206,7 @@ $result_menus{'verb_in_xref'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'verb_in_xref'} = [
diff --git a/tp/t/results/def/all_commands_delimiters_printindex.pl 
b/tp/t/results/def/all_commands_delimiters_printindex.pl
index 77dd1f0952..399402f3e9 100644
--- a/tp/t/results/def/all_commands_delimiters_printindex.pl
+++ b/tp/t/results/def/all_commands_delimiters_printindex.pl
@@ -13479,8 +13479,7 @@ $result_trees{'all_commands_delimiters_printindex'} = {
             'line_nr' => 153,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -13545,8 +13544,7 @@ $result_trees{'all_commands_delimiters_printindex'} = {
             'line_nr' => 156,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -13611,8 +13609,7 @@ $result_trees{'all_commands_delimiters_printindex'} = {
             'line_nr' => 159,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -13667,8 +13664,7 @@ $result_trees{'all_commands_delimiters_printindex'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -15780,8 +15776,7 @@ $result_nodes{'all_commands_delimiters_printindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'all_commands_delimiters_printindex'} = {
@@ -15790,8 +15785,7 @@ $result_menus{'all_commands_delimiters_printindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'all_commands_delimiters_printindex'} = [];
diff --git a/tp/t/results/def/all_commands_printindex.pl 
b/tp/t/results/def/all_commands_printindex.pl
index aa6dc2c528..ccad5df15a 100644
--- a/tp/t/results/def/all_commands_printindex.pl
+++ b/tp/t/results/def/all_commands_printindex.pl
@@ -4562,8 +4562,7 @@ $result_trees{'all_commands_printindex'} = {
             'line_nr' => 110,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -4628,8 +4627,7 @@ $result_trees{'all_commands_printindex'} = {
             'line_nr' => 113,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -4694,8 +4692,7 @@ $result_trees{'all_commands_printindex'} = {
             'line_nr' => 116,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -4750,8 +4747,7 @@ $result_trees{'all_commands_printindex'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -5678,8 +5674,7 @@ $result_nodes{'all_commands_printindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'all_commands_printindex'} = {
@@ -5688,8 +5683,7 @@ $result_menus{'all_commands_printindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'all_commands_printindex'} = [];
diff --git a/tp/t/results/def/ref_in_def.pl b/tp/t/results/def/ref_in_def.pl
index 66951b9302..ed6e7e10ae 100644
--- a/tp/t/results/def/ref_in_def.pl
+++ b/tp/t/results/def/ref_in_def.pl
@@ -679,8 +679,7 @@ $result_trees{'ref_in_def'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -811,8 +810,7 @@ $result_nodes{'ref_in_def'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'ref_in_def'} = {
@@ -820,8 +818,7 @@ $result_menus{'ref_in_def'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'ref_in_def'} = [];
diff --git a/tp/t/results/def/space_in_def_for_index.pl 
b/tp/t/results/def/space_in_def_for_index.pl
index 27db263019..d9e1db662f 100644
--- a/tp/t/results/def/space_in_def_for_index.pl
+++ b/tp/t/results/def/space_in_def_for_index.pl
@@ -393,8 +393,7 @@ $result_trees{'space_in_def_for_index'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -473,8 +472,7 @@ $result_nodes{'space_in_def_for_index'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'space_in_def_for_index'} = {
@@ -483,8 +481,7 @@ $result_menus{'space_in_def_for_index'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'space_in_def_for_index'} = [];
diff --git a/tp/t/results/docbook_tests/multiple_documentlanguage.pl 
b/tp/t/results/docbook_tests/multiple_documentlanguage.pl
index c448dfb734..9a7ca73638 100644
--- a/tp/t/results/docbook_tests/multiple_documentlanguage.pl
+++ b/tp/t/results/docbook_tests/multiple_documentlanguage.pl
@@ -87,8 +87,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -168,8 +164,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -234,11 +229,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -279,8 +270,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -345,11 +335,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -390,8 +376,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -456,11 +441,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -501,8 +482,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -538,11 +518,7 @@ $result_trees{'multiple_documentlanguage'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.2'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/docbook_tests/special_docbook_unnumbered.pl 
b/tp/t/results/docbook_tests/special_docbook_unnumbered.pl
index c6e1391ef9..20a566c0c4 100644
--- a/tp/t/results/docbook_tests/special_docbook_unnumbered.pl
+++ b/tp/t/results/docbook_tests/special_docbook_unnumbered.pl
@@ -51,8 +51,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -392,10 +391,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -436,8 +432,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -490,10 +485,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -534,8 +526,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -588,10 +579,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -632,8 +620,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -686,10 +673,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -730,8 +714,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -778,11 +761,7 @@ $result_trees{'special_docbook_unnumbered'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/float/anchor_in_caption.pl 
b/tp/t/results/float/anchor_in_caption.pl
index d8d3d3763a..9000ee7c4a 100644
--- a/tp/t/results/float/anchor_in_caption.pl
+++ b/tp/t/results/float/anchor_in_caption.pl
@@ -233,10 +233,7 @@ $result_trees{'anchor_in_caption'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -259,8 +256,7 @@ $result_trees{'anchor_in_caption'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -325,8 +321,7 @@ $result_nodes{'anchor_in_caption'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_caption'} = {
@@ -334,8 +329,7 @@ $result_menus{'anchor_in_caption'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_caption'} = [];
diff --git a/tp/t/results/float/cindex_in_caption.pl 
b/tp/t/results/float/cindex_in_caption.pl
index ea6c4909fb..7c715679f2 100644
--- a/tp/t/results/float/cindex_in_caption.pl
+++ b/tp/t/results/float/cindex_in_caption.pl
@@ -247,10 +247,7 @@ $result_trees{'cindex_in_caption'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -317,8 +314,7 @@ $result_trees{'cindex_in_caption'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -399,8 +395,7 @@ $result_nodes{'cindex_in_caption'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cindex_in_caption'} = {
@@ -409,8 +404,7 @@ $result_menus{'cindex_in_caption'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cindex_in_caption'} = [];
@@ -425,7 +419,8 @@ $result_floats{'cindex_in_caption'} = {
           'cmdname' => 'caption',
           'extra' => {
             'float' => {}
-          }
+          },
+          'structure' => {}
         },
         'end_command' => {
           'cmdname' => 'end',
diff --git a/tp/t/results/float/comment_space_comand_in_float.pl 
b/tp/t/results/float/comment_space_comand_in_float.pl
index 190ba5d040..3e3584935b 100644
--- a/tp/t/results/float/comment_space_comand_in_float.pl
+++ b/tp/t/results/float/comment_space_comand_in_float.pl
@@ -154,10 +154,7 @@ $result_trees{'comment_space_comand_in_float'} = {
             'line_nr' => 3,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -241,8 +238,7 @@ $result_trees{'comment_space_comand_in_float'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -304,8 +300,7 @@ $result_nodes{'comment_space_comand_in_float'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'comment_space_comand_in_float'} = {
@@ -313,8 +308,7 @@ $result_menus{'comment_space_comand_in_float'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'comment_space_comand_in_float'} = [];
diff --git a/tp/t/results/float/complex_float.pl 
b/tp/t/results/float/complex_float.pl
index 049e97528c..26c907d133 100644
--- a/tp/t/results/float/complex_float.pl
+++ b/tp/t/results/float/complex_float.pl
@@ -51,8 +51,7 @@ $result_trees{'complex_float'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2473,10 +2472,7 @@ $result_trees{'complex_float'} = {
             'line_nr' => 12,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2493,10 +2489,7 @@ $result_trees{'complex_float'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2537,8 +2530,7 @@ $result_trees{'complex_float'} = {
         'line_nr' => 91,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3763,10 +3755,7 @@ $result_trees{'complex_float'} = {
             'line_nr' => 94,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3831,11 +3820,7 @@ $result_trees{'complex_float'} = {
         'line_nr' => 92,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/float/empty_listoffloats_with_floats.pl 
b/tp/t/results/float/empty_listoffloats_with_floats.pl
index 500c9d05e8..41727ab3d9 100644
--- a/tp/t/results/float/empty_listoffloats_with_floats.pl
+++ b/tp/t/results/float/empty_listoffloats_with_floats.pl
@@ -98,10 +98,7 @@ $result_trees{'empty_listoffloats_with_floats'} = {
             'line_nr' => 2,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -229,10 +226,7 @@ $result_trees{'empty_listoffloats_with_floats'} = {
             'line_nr' => 6,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 2
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -305,8 +299,7 @@ $result_trees{'empty_listoffloats_with_floats'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -416,8 +409,7 @@ $result_trees{'empty_listoffloats_with_floats'} = {
             'line_nr' => 15,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/float/float_copying.pl 
b/tp/t/results/float/float_copying.pl
index 5b7d4d9f8b..defd00cbd6 100644
--- a/tp/t/results/float/float_copying.pl
+++ b/tp/t/results/float/float_copying.pl
@@ -303,8 +303,7 @@ $result_trees{'float_copying'} = {
                                                 'line_nr' => 35,
                                                 'macro' => ''
                                               },
-                                              'parent' => {},
-                                              'structure' => {}
+                                              'parent' => {}
                                             },
                                             'node_argument' => {
                                               'node_content' => [
@@ -561,10 +560,7 @@ $result_trees{'float_copying'} = {
                 'line_nr' => 3,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'args' => [
@@ -656,8 +652,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -832,10 +827,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1014,11 +1006,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1381,7 +1369,8 @@ $result_floats{'float_copying'} = {
           'cmdname' => 'caption',
           'extra' => {
             'float' => {}
-          }
+          },
+          'structure' => {}
         },
         'end_command' => {
           'cmdname' => 'end',
diff --git a/tp/t/results/float/float_with_at_commands.pl 
b/tp/t/results/float/float_with_at_commands.pl
index 47d5dcafab..85a79f2aa0 100644
--- a/tp/t/results/float/float_with_at_commands.pl
+++ b/tp/t/results/float/float_with_at_commands.pl
@@ -337,10 +337,7 @@ $result_trees{'float_with_at_commands'} = {
             'line_nr' => 1,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/float/footnote_in_caption.pl 
b/tp/t/results/float/footnote_in_caption.pl
index 55e933773a..5dc27f41e8 100644
--- a/tp/t/results/float/footnote_in_caption.pl
+++ b/tp/t/results/float/footnote_in_caption.pl
@@ -233,10 +233,7 @@ $result_trees{'footnote_in_caption'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -259,8 +256,7 @@ $result_trees{'footnote_in_caption'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -325,8 +321,7 @@ $result_nodes{'footnote_in_caption'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'footnote_in_caption'} = {
@@ -334,8 +329,7 @@ $result_menus{'footnote_in_caption'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'footnote_in_caption'} = [];
diff --git a/tp/t/results/float/footnote_in_caption_and_error.pl 
b/tp/t/results/float/footnote_in_caption_and_error.pl
index 8902c3dd3d..44504aa332 100644
--- a/tp/t/results/float/footnote_in_caption_and_error.pl
+++ b/tp/t/results/float/footnote_in_caption_and_error.pl
@@ -243,10 +243,7 @@ $result_trees{'footnote_in_caption_and_error'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -269,8 +266,7 @@ $result_trees{'footnote_in_caption_and_error'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -336,8 +332,7 @@ $result_nodes{'footnote_in_caption_and_error'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'footnote_in_caption_and_error'} = {
@@ -345,8 +340,7 @@ $result_menus{'footnote_in_caption_and_error'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'footnote_in_caption_and_error'} = [
diff --git a/tp/t/results/float/numbering_captions_listoffloats.pl 
b/tp/t/results/float/numbering_captions_listoffloats.pl
index a330d6af39..5097387782 100644
--- a/tp/t/results/float/numbering_captions_listoffloats.pl
+++ b/tp/t/results/float/numbering_captions_listoffloats.pl
@@ -51,8 +51,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,10 +274,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 4,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -443,8 +439,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 10,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -615,10 +610,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -721,10 +713,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 25,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 2
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -810,8 +799,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 31,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -959,8 +947,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 36,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1131,10 +1118,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 42,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 3
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1314,10 +1298,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 49,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1678,10 +1659,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1722,8 +1700,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1885,10 +1862,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 67,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2032,10 +2006,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 73,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.2'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2338,10 +2309,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 77,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2512,10 +2480,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 83,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2695,10 +2660,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 90,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2831,11 +2793,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2876,8 +2834,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 101,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3008,10 +2965,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 104,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.3'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3028,11 +2982,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 102,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3073,8 +3023,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 110,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3377,10 +3326,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 116,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 5
-          }
+          'parent' => {}
         },
         {
           'args' => [
@@ -3545,10 +3491,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 121,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 5
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3571,10 +3514,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 111,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3615,8 +3555,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 129,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3815,10 +3754,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 133,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 6
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3835,10 +3771,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 130,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3879,8 +3812,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 139,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4183,10 +4115,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 145,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '2.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -4203,11 +4132,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 140,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4248,8 +4173,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 151,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4442,10 +4366,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 154,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '2.2'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -4616,10 +4537,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 160,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '2.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -4636,10 +4554,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 152,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4680,8 +4595,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 167,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4880,10 +4794,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
             'line_nr' => 170,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 'A.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -4900,11 +4811,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 168,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4945,8 +4852,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 177,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5556,10 +5462,7 @@ $result_trees{'numbering_captions_listoffloats'} = {
         'line_nr' => 178,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/float/ref_to_float.pl 
b/tp/t/results/float/ref_to_float.pl
index 738377af2c..57abb150d5 100644
--- a/tp/t/results/float/ref_to_float.pl
+++ b/tp/t/results/float/ref_to_float.pl
@@ -100,10 +100,7 @@ $result_trees{'ref_to_float'} = {
             'line_nr' => 1,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -194,10 +191,7 @@ $result_trees{'ref_to_float'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/float/simple.pl b/tp/t/results/float/simple.pl
index 024da51910..9859e32b24 100644
--- a/tp/t/results/float/simple.pl
+++ b/tp/t/results/float/simple.pl
@@ -139,10 +139,7 @@ $result_trees{'simple'} = {
             'line_nr' => 1,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/formats_encodings/accent.pl 
b/tp/t/results/formats_encodings/accent.pl
index ac44ff33d1..1a547c7fd0 100644
--- a/tp/t/results/formats_encodings/accent.pl
+++ b/tp/t/results/formats_encodings/accent.pl
@@ -51,8 +51,7 @@ $result_trees{'accent'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2564,10 +2563,7 @@ $result_trees{'accent'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3134,8 +3130,7 @@ $result_sectioning{'accent'} = {
             'extra' => {
               'normalized' => 'Top-node',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3163,8 +3158,7 @@ $result_nodes{'accent'} = {
     },
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'accent'} = {
@@ -3172,8 +3166,7 @@ $result_menus{'accent'} = {
   'extra' => {
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'accent'} = [];
diff --git a/tp/t/results/formats_encodings/accent_enable_encoding.pl 
b/tp/t/results/formats_encodings/accent_enable_encoding.pl
index 975a65af99..e8dcbcf8b9 100644
--- a/tp/t/results/formats_encodings/accent_enable_encoding.pl
+++ b/tp/t/results/formats_encodings/accent_enable_encoding.pl
@@ -51,8 +51,7 @@ $result_trees{'accent_enable_encoding'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2564,10 +2563,7 @@ $result_trees{'accent_enable_encoding'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3134,8 +3130,7 @@ $result_sectioning{'accent_enable_encoding'} = {
             'extra' => {
               'normalized' => 'Top-node',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3163,8 +3158,7 @@ $result_nodes{'accent_enable_encoding'} = {
     },
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'accent_enable_encoding'} = {
@@ -3172,8 +3166,7 @@ $result_menus{'accent_enable_encoding'} = {
   'extra' => {
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'accent_enable_encoding'} = [];
diff --git a/tp/t/results/formats_encodings/accentenc.pl 
b/tp/t/results/formats_encodings/accentenc.pl
index df2b4e7f8c..4de9d7f12f 100644
--- a/tp/t/results/formats_encodings/accentenc.pl
+++ b/tp/t/results/formats_encodings/accentenc.pl
@@ -89,8 +89,7 @@ $result_trees{'accentenc'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2602,10 +2601,7 @@ $result_trees{'accentenc'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3179,8 +3175,7 @@ $result_sectioning{'accentenc'} = {
             'extra' => {
               'normalized' => 'Top-node',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3208,8 +3203,7 @@ $result_nodes{'accentenc'} = {
     },
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'accentenc'} = {
@@ -3217,8 +3211,7 @@ $result_menus{'accentenc'} = {
   'extra' => {
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'accentenc'} = [];
diff --git a/tp/t/results/formats_encodings/accentenc_enable_encoding.pl 
b/tp/t/results/formats_encodings/accentenc_enable_encoding.pl
index a2423b6a6c..3a38a30862 100644
--- a/tp/t/results/formats_encodings/accentenc_enable_encoding.pl
+++ b/tp/t/results/formats_encodings/accentenc_enable_encoding.pl
@@ -89,8 +89,7 @@ $result_trees{'accentenc_enable_encoding'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2602,10 +2601,7 @@ $result_trees{'accentenc_enable_encoding'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3179,8 +3175,7 @@ $result_sectioning{'accentenc_enable_encoding'} = {
             'extra' => {
               'normalized' => 'Top-node',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3208,8 +3203,7 @@ $result_nodes{'accentenc_enable_encoding'} = {
     },
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'accentenc_enable_encoding'} = {
@@ -3217,8 +3211,7 @@ $result_menus{'accentenc_enable_encoding'} = {
   'extra' => {
     'normalized' => 'Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'accentenc_enable_encoding'} = [];
diff --git a/tp/t/results/formats_encodings/at_commands_in_refs.pl 
b/tp/t/results/formats_encodings/at_commands_in_refs.pl
index 1bb4cdd4db..24fe9e906d 100644
--- a/tp/t/results/formats_encodings/at_commands_in_refs.pl
+++ b/tp/t/results/formats_encodings/at_commands_in_refs.pl
@@ -51,8 +51,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4765,10 +4764,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4833,8 +4829,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4886,11 +4881,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5027,8 +5018,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5128,11 +5118,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5286,8 +5272,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5420,11 +5405,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5628,8 +5609,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 43,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5804,11 +5784,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 44,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5987,8 +5963,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6142,11 +6117,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6250,8 +6221,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 49,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6342,11 +6312,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 6
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6550,8 +6516,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6726,11 +6691,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 7
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6884,8 +6845,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 55,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7018,11 +6978,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 8
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -7401,8 +7357,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7724,11 +7679,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 9
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8105,8 +8056,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8438,11 +8388,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 10
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8681,8 +8627,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8892,11 +8837,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 11
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9051,8 +8992,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9194,11 +9134,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 12
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9377,8 +9313,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9532,11 +9467,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 71,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 13
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9715,8 +9646,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 73,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9870,11 +9800,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 14
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9915,8 +9841,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 76,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9952,11 +9877,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 77,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 15
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10094,8 +10015,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 79,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10220,11 +10140,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 80,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 16
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10362,8 +10278,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 82,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10488,11 +10403,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 84,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 17
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10610,8 +10521,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10720,11 +10630,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 88,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 18
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10859,8 +10765,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 90,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10986,11 +10891,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 92,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 19
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11053,8 +10954,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 95,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11112,11 +11012,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 97,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 20
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11467,8 +11363,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11782,11 +11677,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 101,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 21
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12047,8 +11938,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 103,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12280,11 +12170,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 104,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 22
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12349,8 +12235,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 106,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12408,11 +12293,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 107,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 23
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12501,8 +12382,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 109,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12582,11 +12462,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 110,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 24
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12645,8 +12521,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12700,11 +12575,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 113,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 25
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12793,8 +12664,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 115,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12874,11 +12744,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 116,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 26
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -13025,8 +12891,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 118,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -17547,11 +17412,7 @@ $result_trees{'at_commands_in_refs'} = {
         'line_nr' => 119,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 27
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/at_commands_in_refs_latin1.pl 
b/tp/t/results/formats_encodings/at_commands_in_refs_latin1.pl
index 7f75120556..3cff3b04f1 100644
--- a/tp/t/results/formats_encodings/at_commands_in_refs_latin1.pl
+++ b/tp/t/results/formats_encodings/at_commands_in_refs_latin1.pl
@@ -118,8 +118,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4832,10 +4831,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4900,8 +4896,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4953,11 +4948,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5094,8 +5085,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5195,11 +5185,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5353,8 +5339,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 43,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5487,11 +5472,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 44,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5695,8 +5676,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5871,11 +5851,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6054,8 +6030,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 49,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6209,11 +6184,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6317,8 +6288,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6409,11 +6379,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 6
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6617,8 +6583,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 55,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6793,11 +6758,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 7
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6951,8 +6912,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7085,11 +7045,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 8
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -7468,8 +7424,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7791,11 +7746,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 9
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8172,8 +8123,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8505,11 +8455,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 10
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8748,8 +8694,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8959,11 +8904,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 11
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9118,8 +9059,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9261,11 +9201,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 71,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 12
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9444,8 +9380,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 73,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9599,11 +9534,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 13
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9782,8 +9713,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 76,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9937,11 +9867,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 77,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 14
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9982,8 +9908,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 79,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10019,11 +9944,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 80,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 15
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10161,8 +10082,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 82,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10287,11 +10207,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 83,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 16
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10429,8 +10345,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 85,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10555,11 +10470,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 17
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10677,8 +10588,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 90,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10787,11 +10697,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 91,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 18
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10926,8 +10832,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 93,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11053,11 +10958,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 95,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 19
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11120,8 +11021,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 98,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11179,11 +11079,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 20
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11534,8 +11430,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 103,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11849,11 +11744,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 104,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 21
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12114,8 +12005,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 106,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12347,11 +12237,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 107,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 22
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12416,8 +12302,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 109,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12475,11 +12360,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 110,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 23
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12568,8 +12449,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12649,11 +12529,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 113,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 24
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12712,8 +12588,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 115,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12767,11 +12642,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 116,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 25
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12860,8 +12731,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 118,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12941,11 +12811,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 119,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 26
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -13092,8 +12958,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 121,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -17614,11 +17479,7 @@ $result_trees{'at_commands_in_refs_latin1'} = {
         'line_nr' => 122,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 27
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/at_commands_in_refs_utf8.pl 
b/tp/t/results/formats_encodings/at_commands_in_refs_utf8.pl
index 02ecca2fea..c8596c2660 100644
--- a/tp/t/results/formats_encodings/at_commands_in_refs_utf8.pl
+++ b/tp/t/results/formats_encodings/at_commands_in_refs_utf8.pl
@@ -118,8 +118,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4832,10 +4831,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4900,8 +4896,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4953,11 +4948,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5094,8 +5085,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5195,11 +5185,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5353,8 +5339,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 43,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5487,11 +5472,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 44,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5695,8 +5676,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5871,11 +5851,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6054,8 +6030,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 49,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6209,11 +6184,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6317,8 +6288,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6409,11 +6379,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 6
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6617,8 +6583,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 55,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -6793,11 +6758,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 7
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -6951,8 +6912,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7085,11 +7045,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 8
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -7468,8 +7424,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -7791,11 +7746,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 9
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8172,8 +8123,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8505,11 +8455,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 10
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -8748,8 +8694,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -8959,11 +8904,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 11
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9118,8 +9059,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9261,11 +9201,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 71,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 12
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9444,8 +9380,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 73,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9599,11 +9534,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 13
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9782,8 +9713,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 76,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -9937,11 +9867,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 77,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 14
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -9982,8 +9908,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 79,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10019,11 +9944,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 80,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 15
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10161,8 +10082,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 82,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10287,11 +10207,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 83,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 16
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10429,8 +10345,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 85,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10555,11 +10470,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 17
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10677,8 +10588,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 90,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -10787,11 +10697,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 91,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 18
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -10926,8 +10832,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 93,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11053,11 +10958,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 95,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 19
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11120,8 +11021,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 98,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11179,11 +11079,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 20
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -11534,8 +11430,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 103,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -11849,11 +11744,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 104,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 21
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12114,8 +12005,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 106,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12347,11 +12237,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 107,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 22
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12416,8 +12302,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 109,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12475,11 +12360,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 110,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 23
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12568,8 +12449,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12649,11 +12529,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 113,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 24
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12712,8 +12588,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 115,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12767,11 +12642,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 116,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 25
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -12860,8 +12731,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 118,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -12941,11 +12811,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 119,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 26
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -13092,8 +12958,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 121,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -17614,11 +17479,7 @@ $result_trees{'at_commands_in_refs_utf8'} = {
         'line_nr' => 122,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 27
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/char_latin1_latin1_in_refs.pl 
b/tp/t/results/formats_encodings/char_latin1_latin1_in_refs.pl
index 66efbd5cd8..e55fb4a273 100644
--- a/tp/t/results/formats_encodings/char_latin1_latin1_in_refs.pl
+++ b/tp/t/results/formats_encodings/char_latin1_latin1_in_refs.pl
@@ -149,8 +149,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -567,10 +566,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -611,8 +607,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -648,11 +643,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -693,8 +684,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -730,11 +720,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -775,8 +761,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -812,11 +797,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -857,8 +838,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -894,11 +874,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -939,8 +915,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1420,11 +1395,7 @@ $result_trees{'char_latin1_latin1_in_refs'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/char_latin1_utf8_in_refs.pl 
b/tp/t/results/formats_encodings/char_latin1_utf8_in_refs.pl
index 753dadb192..7b49d4dab3 100644
--- a/tp/t/results/formats_encodings/char_latin1_utf8_in_refs.pl
+++ b/tp/t/results/formats_encodings/char_latin1_utf8_in_refs.pl
@@ -149,8 +149,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -567,10 +566,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -611,8 +607,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -648,11 +643,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -693,8 +684,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -730,11 +720,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -775,8 +761,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -812,11 +797,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -857,8 +838,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -894,11 +874,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -939,8 +915,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1420,11 +1395,7 @@ $result_trees{'char_latin1_utf8_in_refs'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/char_latin2_latin2_in_refs.pl 
b/tp/t/results/formats_encodings/char_latin2_latin2_in_refs.pl
index 6483982f32..f36a21cef6 100644
--- a/tp/t/results/formats_encodings/char_latin2_latin2_in_refs.pl
+++ b/tp/t/results/formats_encodings/char_latin2_latin2_in_refs.pl
@@ -143,8 +143,7 @@ $result_trees{'char_latin2_latin2_in_refs'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -228,8 +227,7 @@ $result_trees{'char_latin2_latin2_in_refs'} = {
                     'line_nr' => 18,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -440,10 +438,7 @@ $result_trees{'char_latin2_latin2_in_refs'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -527,11 +522,7 @@ $result_trees{'char_latin2_latin2_in_refs'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/japanese_shift_jis.pl 
b/tp/t/results/formats_encodings/japanese_shift_jis.pl
index b681417f76..2f77b5f4c5 100644
--- a/tp/t/results/formats_encodings/japanese_shift_jis.pl
+++ b/tp/t/results/formats_encodings/japanese_shift_jis.pl
@@ -199,8 +199,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -616,10 +615,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -660,8 +656,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -720,11 +715,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -765,8 +756,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -819,11 +809,7 @@ $result_trees{'japanese_shift_jis'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/sample_utf8.pl 
b/tp/t/results/formats_encodings/sample_utf8.pl
index b67e1dfe62..9241e02ab8 100644
--- a/tp/t/results/formats_encodings/sample_utf8.pl
+++ b/tp/t/results/formats_encodings/sample_utf8.pl
@@ -478,8 +478,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -779,10 +778,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -823,8 +819,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1192,11 +1187,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1237,8 +1228,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1291,11 +1281,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1337,8 +1323,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 66,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1411,10 +1396,7 @@ $result_trees{'sample_utf8'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formats_encodings/weird_accents.pl 
b/tp/t/results/formats_encodings/weird_accents.pl
index db550c86b1..c53f22c196 100644
--- a/tp/t/results/formats_encodings/weird_accents.pl
+++ b/tp/t/results/formats_encodings/weird_accents.pl
@@ -89,8 +89,7 @@ $result_trees{'weird_accents'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -477,10 +476,7 @@ $result_trees{'weird_accents'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -591,8 +587,7 @@ $result_sectioning{'weird_accents'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -620,8 +615,7 @@ $result_nodes{'weird_accents'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'weird_accents'} = {
@@ -629,8 +623,7 @@ $result_menus{'weird_accents'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'weird_accents'} = [];
diff --git a/tp/t/results/formats_encodings/weird_accents_disable_encoding.pl 
b/tp/t/results/formats_encodings/weird_accents_disable_encoding.pl
index a57885ba15..3a33778452 100644
--- a/tp/t/results/formats_encodings/weird_accents_disable_encoding.pl
+++ b/tp/t/results/formats_encodings/weird_accents_disable_encoding.pl
@@ -89,8 +89,7 @@ $result_trees{'weird_accents_disable_encoding'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -477,10 +476,7 @@ $result_trees{'weird_accents_disable_encoding'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -591,8 +587,7 @@ $result_sectioning{'weird_accents_disable_encoding'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -620,8 +615,7 @@ $result_nodes{'weird_accents_disable_encoding'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'weird_accents_disable_encoding'} = {
@@ -629,8 +623,7 @@ $result_menus{'weird_accents_disable_encoding'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'weird_accents_disable_encoding'} = [];
diff --git a/tp/t/results/formatting/cond.pl b/tp/t/results/formatting/cond.pl
index d67dd33dfe..0fa40c5b38 100644
--- a/tp/t/results/formatting/cond.pl
+++ b/tp/t/results/formatting/cond.pl
@@ -319,8 +319,7 @@ $result_trees{'cond'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -435,8 +434,7 @@ $result_nodes{'cond'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond'} = {
@@ -444,8 +442,7 @@ $result_menus{'cond'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond'} = [];
diff --git a/tp/t/results/formatting/cond_ifhtml_ifinfo_iftex.pl 
b/tp/t/results/formatting/cond_ifhtml_ifinfo_iftex.pl
index 66fb900f54..0501299c09 100644
--- a/tp/t/results/formatting/cond_ifhtml_ifinfo_iftex.pl
+++ b/tp/t/results/formatting/cond_ifhtml_ifinfo_iftex.pl
@@ -333,8 +333,7 @@ $result_trees{'cond_ifhtml_ifinfo_iftex'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -452,8 +451,7 @@ $result_nodes{'cond_ifhtml_ifinfo_iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_ifhtml_ifinfo_iftex'} = {
@@ -461,8 +459,7 @@ $result_menus{'cond_ifhtml_ifinfo_iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_ifhtml_ifinfo_iftex'} = [];
diff --git a/tp/t/results/formatting/cond_info.pl 
b/tp/t/results/formatting/cond_info.pl
index f6cf7ef50e..678191f398 100644
--- a/tp/t/results/formatting/cond_info.pl
+++ b/tp/t/results/formatting/cond_info.pl
@@ -305,8 +305,7 @@ $result_trees{'cond_info'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -418,8 +417,7 @@ $result_nodes{'cond_info'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_info'} = {
@@ -427,8 +425,7 @@ $result_menus{'cond_info'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_info'} = [];
diff --git a/tp/t/results/formatting/cond_info_ifhtml_ifinfo_iftex.pl 
b/tp/t/results/formatting/cond_info_ifhtml_ifinfo_iftex.pl
index 247e310c18..9b97a44dff 100644
--- a/tp/t/results/formatting/cond_info_ifhtml_ifinfo_iftex.pl
+++ b/tp/t/results/formatting/cond_info_ifhtml_ifinfo_iftex.pl
@@ -333,8 +333,7 @@ $result_trees{'cond_info_ifhtml_ifinfo_iftex'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -452,8 +451,7 @@ $result_nodes{'cond_info_ifhtml_ifinfo_iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_info_ifhtml_ifinfo_iftex'} = {
@@ -461,8 +459,7 @@ $result_menus{'cond_info_ifhtml_ifinfo_iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_info_ifhtml_ifinfo_iftex'} = [];
diff --git a/tp/t/results/formatting/cond_info_no-ifhtml_no-ifinfo_no-iftex.pl 
b/tp/t/results/formatting/cond_info_no-ifhtml_no-ifinfo_no-iftex.pl
index c99ddee043..5967dae623 100644
--- a/tp/t/results/formatting/cond_info_no-ifhtml_no-ifinfo_no-iftex.pl
+++ b/tp/t/results/formatting/cond_info_no-ifhtml_no-ifinfo_no-iftex.pl
@@ -305,8 +305,7 @@ $result_trees{'cond_info_no-ifhtml_no-ifinfo_no-iftex'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -418,8 +417,7 @@ $result_nodes{'cond_info_no-ifhtml_no-ifinfo_no-iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_info_no-ifhtml_no-ifinfo_no-iftex'} = {
@@ -427,8 +425,7 @@ $result_menus{'cond_info_no-ifhtml_no-ifinfo_no-iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_info_no-ifhtml_no-ifinfo_no-iftex'} = [];
diff --git a/tp/t/results/formatting/cond_no-ifhtml_no-ifinfo_no-iftex.pl 
b/tp/t/results/formatting/cond_no-ifhtml_no-ifinfo_no-iftex.pl
index 769220c607..0ab7da837b 100644
--- a/tp/t/results/formatting/cond_no-ifhtml_no-ifinfo_no-iftex.pl
+++ b/tp/t/results/formatting/cond_no-ifhtml_no-ifinfo_no-iftex.pl
@@ -305,8 +305,7 @@ $result_trees{'cond_no-ifhtml_no-ifinfo_no-iftex'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -418,8 +417,7 @@ $result_nodes{'cond_no-ifhtml_no-ifinfo_no-iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_no-ifhtml_no-ifinfo_no-iftex'} = {
@@ -427,8 +425,7 @@ $result_menus{'cond_no-ifhtml_no-ifinfo_no-iftex'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_no-ifhtml_no-ifinfo_no-iftex'} = [];
diff --git a/tp/t/results/formatting/cond_xml.pl 
b/tp/t/results/formatting/cond_xml.pl
index dbab980a48..e5a6a5a247 100644
--- a/tp/t/results/formatting/cond_xml.pl
+++ b/tp/t/results/formatting/cond_xml.pl
@@ -305,8 +305,7 @@ $result_trees{'cond_xml'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -418,8 +417,7 @@ $result_nodes{'cond_xml'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'cond_xml'} = {
@@ -427,8 +425,7 @@ $result_menus{'cond_xml'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'cond_xml'} = [];
diff --git a/tp/t/results/formatting/direntry_dircategory_info_split.pl 
b/tp/t/results/formatting/direntry_dircategory_info_split.pl
index 152f9dd67d..7ddf256c8b 100644
--- a/tp/t/results/formatting/direntry_dircategory_info_split.pl
+++ b/tp/t/results/formatting/direntry_dircategory_info_split.pl
@@ -514,8 +514,7 @@ $result_trees{'direntry_dircategory_info_split'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -845,10 +844,7 @@ $result_trees{'direntry_dircategory_info_split'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -889,8 +885,7 @@ $result_trees{'direntry_dircategory_info_split'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -943,11 +938,7 @@ $result_trees{'direntry_dircategory_info_split'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formatting/documentlanguage_set_option.pl 
b/tp/t/results/formatting/documentlanguage_set_option.pl
index 3e35befe7f..96326047c3 100644
--- a/tp/t/results/formatting/documentlanguage_set_option.pl
+++ b/tp/t/results/formatting/documentlanguage_set_option.pl
@@ -188,8 +188,7 @@ $result_trees{'documentlanguage_set_option'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -246,10 +245,7 @@ $result_trees{'documentlanguage_set_option'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -335,8 +331,7 @@ $result_sectioning{'documentlanguage_set_option'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -364,8 +359,7 @@ $result_nodes{'documentlanguage_set_option'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'documentlanguage_set_option'} = {
@@ -373,8 +367,7 @@ $result_menus{'documentlanguage_set_option'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'documentlanguage_set_option'} = [];
diff --git a/tp/t/results/formatting/documentlanguage_set_option_info.pl 
b/tp/t/results/formatting/documentlanguage_set_option_info.pl
index ab653cb62d..02bf4761e5 100644
--- a/tp/t/results/formatting/documentlanguage_set_option_info.pl
+++ b/tp/t/results/formatting/documentlanguage_set_option_info.pl
@@ -188,8 +188,7 @@ $result_trees{'documentlanguage_set_option_info'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -246,10 +245,7 @@ $result_trees{'documentlanguage_set_option_info'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -335,8 +331,7 @@ $result_sectioning{'documentlanguage_set_option_info'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -364,8 +359,7 @@ $result_nodes{'documentlanguage_set_option_info'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'documentlanguage_set_option_info'} = {
@@ -373,8 +367,7 @@ $result_menus{'documentlanguage_set_option_info'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'documentlanguage_set_option_info'} = [];
diff --git a/tp/t/results/formatting/documentlanguage_set_unknown.pl 
b/tp/t/results/formatting/documentlanguage_set_unknown.pl
index 92e07f9355..46587aecbc 100644
--- a/tp/t/results/formatting/documentlanguage_set_unknown.pl
+++ b/tp/t/results/formatting/documentlanguage_set_unknown.pl
@@ -188,8 +188,7 @@ $result_trees{'documentlanguage_set_unknown'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -246,10 +245,7 @@ $result_trees{'documentlanguage_set_unknown'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -335,8 +331,7 @@ $result_sectioning{'documentlanguage_set_unknown'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -364,8 +359,7 @@ $result_nodes{'documentlanguage_set_unknown'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'documentlanguage_set_unknown'} = {
@@ -373,8 +367,7 @@ $result_menus{'documentlanguage_set_unknown'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'documentlanguage_set_unknown'} = [];
diff --git a/tp/t/results/formatting/float_copying.pl 
b/tp/t/results/formatting/float_copying.pl
index 2d24e893e9..c223963510 100644
--- a/tp/t/results/formatting/float_copying.pl
+++ b/tp/t/results/formatting/float_copying.pl
@@ -362,8 +362,7 @@ $result_trees{'float_copying'} = {
                                                 'line_nr' => 45,
                                                 'macro' => ''
                                               },
-                                              'parent' => {},
-                                              'structure' => {}
+                                              'parent' => {}
                                             },
                                             'node_argument' => {
                                               'node_content' => [
@@ -620,10 +619,7 @@ $result_trees{'float_copying'} = {
                 'line_nr' => 7,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'args' => [
@@ -715,8 +711,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1042,10 +1037,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1312,8 +1304,7 @@ $result_trees{'float_copying'} = {
             'line_nr' => 60,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -1381,8 +1372,7 @@ $result_trees{'float_copying'} = {
             'line_nr' => 63,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'args' => [
@@ -1461,11 +1451,7 @@ $result_trees{'float_copying'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1955,7 +1941,8 @@ $result_floats{'float_copying'} = {
           'cmdname' => 'caption',
           'extra' => {
             'float' => {}
-          }
+          },
+          'structure' => {}
         },
         'end_command' => {
           'cmdname' => 'end',
diff --git a/tp/t/results/formatting/simplest_test_date_in_header.pl 
b/tp/t/results/formatting/simplest_test_date_in_header.pl
index 7fcc68d03e..f02223e2bb 100644
--- a/tp/t/results/formatting/simplest_test_date_in_header.pl
+++ b/tp/t/results/formatting/simplest_test_date_in_header.pl
@@ -143,8 +143,7 @@ $result_trees{'simplest_test_date_in_header'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +206,7 @@ $result_nodes{'simplest_test_date_in_header'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'simplest_test_date_in_header'} = {
@@ -216,8 +214,7 @@ $result_menus{'simplest_test_date_in_header'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'simplest_test_date_in_header'} = [];
diff --git a/tp/t/results/formatting/simplest_test_prefix.pl 
b/tp/t/results/formatting/simplest_test_prefix.pl
index 38c088c68c..cc81058f63 100644
--- a/tp/t/results/formatting/simplest_test_prefix.pl
+++ b/tp/t/results/formatting/simplest_test_prefix.pl
@@ -143,8 +143,7 @@ $result_trees{'simplest_test_prefix'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +206,7 @@ $result_nodes{'simplest_test_prefix'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'simplest_test_prefix'} = {
@@ -216,8 +214,7 @@ $result_menus{'simplest_test_prefix'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'simplest_test_prefix'} = [];
diff --git a/tp/t/results/formatting/simplest_test_prefix_info.pl 
b/tp/t/results/formatting/simplest_test_prefix_info.pl
index 7c32012622..7764f0aee4 100644
--- a/tp/t/results/formatting/simplest_test_prefix_info.pl
+++ b/tp/t/results/formatting/simplest_test_prefix_info.pl
@@ -143,8 +143,7 @@ $result_trees{'simplest_test_prefix_info'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +206,7 @@ $result_nodes{'simplest_test_prefix_info'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'simplest_test_prefix_info'} = {
@@ -216,8 +214,7 @@ $result_menus{'simplest_test_prefix_info'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'simplest_test_prefix_info'} = [];
diff --git a/tp/t/results/formatting/split_for_format_not_split.pl 
b/tp/t/results/formatting/split_for_format_not_split.pl
index 8e60204fe5..5ff5ec2297 100644
--- a/tp/t/results/formatting/split_for_format_not_split.pl
+++ b/tp/t/results/formatting/split_for_format_not_split.pl
@@ -143,8 +143,7 @@ $result_trees{'split_for_format_not_split'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +206,7 @@ $result_nodes{'split_for_format_not_split'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'split_for_format_not_split'} = {
@@ -216,8 +214,7 @@ $result_menus{'split_for_format_not_split'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'split_for_format_not_split'} = [];
diff --git a/tp/t/results/formatting/split_nocopying.pl 
b/tp/t/results/formatting/split_nocopying.pl
index dcabd43aa5..cd6f9f5174 100644
--- a/tp/t/results/formatting/split_nocopying.pl
+++ b/tp/t/results/formatting/split_nocopying.pl
@@ -105,8 +105,7 @@ $result_trees{'split_nocopying'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,10 +274,7 @@ $result_trees{'split_nocopying'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -319,8 +315,7 @@ $result_trees{'split_nocopying'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -373,11 +368,7 @@ $result_trees{'split_nocopying'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formatting/split_nocopying_split.pl 
b/tp/t/results/formatting/split_nocopying_split.pl
index 4906150a92..00260106e9 100644
--- a/tp/t/results/formatting/split_nocopying_split.pl
+++ b/tp/t/results/formatting/split_nocopying_split.pl
@@ -105,8 +105,7 @@ $result_trees{'split_nocopying_split'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,10 +274,7 @@ $result_trees{'split_nocopying_split'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -319,8 +315,7 @@ $result_trees{'split_nocopying_split'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -373,11 +368,7 @@ $result_trees{'split_nocopying_split'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formatting/texi_bib_example.pl 
b/tp/t/results/formatting/texi_bib_example.pl
index 444e70eb53..a0bf19d7e7 100644
--- a/tp/t/results/formatting/texi_bib_example.pl
+++ b/tp/t/results/formatting/texi_bib_example.pl
@@ -3783,8 +3783,7 @@ $result_trees{'texi_bib_example'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4011,10 +4010,7 @@ $result_trees{'texi_bib_example'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4055,8 +4051,7 @@ $result_trees{'texi_bib_example'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4184,8 +4179,7 @@ $result_trees{'texi_bib_example'} = {
                     'line_nr' => 47,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -4235,11 +4229,7 @@ $result_trees{'texi_bib_example'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {
@@ -4464,11 +4454,7 @@ $result_trees{'texi_bib_example'} = {
         'line_nr' => 48,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/formatting/texi_cond.pl 
b/tp/t/results/formatting/texi_cond.pl
index 918dd7dee3..721311b880 100644
--- a/tp/t/results/formatting/texi_cond.pl
+++ b/tp/t/results/formatting/texi_cond.pl
@@ -319,8 +319,7 @@ $result_trees{'texi_cond'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -435,8 +434,7 @@ $result_nodes{'texi_cond'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'texi_cond'} = {
@@ -444,8 +442,7 @@ $result_menus{'texi_cond'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'texi_cond'} = [];
diff --git a/tp/t/results/formatting/texi_glossary.pl 
b/tp/t/results/formatting/texi_glossary.pl
index 626cf55b32..2ef914cd08 100644
--- a/tp/t/results/formatting/texi_glossary.pl
+++ b/tp/t/results/formatting/texi_glossary.pl
@@ -382,8 +382,7 @@ $result_trees{'texi_glossary'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -870,11 +869,7 @@ $result_trees{'texi_glossary'} = {
                         'line_nr' => 46,
                         'macro' => ''
                       },
-                      'parent' => {},
-                      'structure' => {
-                        'level' => 1,
-                        'number' => 1
-                      }
+                      'parent' => {}
                     },
                     'type' => 'paragraph'
                   }
@@ -1087,10 +1082,7 @@ $result_trees{'texi_glossary'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1131,8 +1123,7 @@ $result_trees{'texi_glossary'} = {
         'line_nr' => 45,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {}
   ],
diff --git a/tp/t/results/heading/heading_in_copying.pl 
b/tp/t/results/heading/heading_in_copying.pl
index 11c07cf4c7..3c658138cb 100644
--- a/tp/t/results/heading/heading_in_copying.pl
+++ b/tp/t/results/heading/heading_in_copying.pl
@@ -83,8 +83,7 @@ $result_trees{'heading_in_copying'} = {
                 'line_nr' => 3,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {}
+              'parent' => {}
             },
             {
               'args' => [
@@ -189,8 +188,7 @@ $result_trees{'heading_in_copying'} = {
                 'line_nr' => 6,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {}
+              'parent' => {}
             },
             {
               'args' => [
@@ -306,8 +304,7 @@ $result_trees{'heading_in_copying'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -378,8 +375,7 @@ $result_nodes{'heading_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'heading_in_copying'} = {
@@ -387,8 +383,7 @@ $result_menus{'heading_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'heading_in_copying'} = [];
diff --git a/tp/t/results/heading/heading_in_example.pl 
b/tp/t/results/heading/heading_in_example.pl
index e389dd58c9..1032f0da4b 100644
--- a/tp/t/results/heading/heading_in_example.pl
+++ b/tp/t/results/heading/heading_in_example.pl
@@ -77,8 +77,7 @@ $result_trees{'heading_in_example'} = {
                 'line_nr' => 2,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {}
+              'parent' => {}
             },
             {
               'args' => [
diff --git a/tp/t/results/heading/heading_in_quotation.pl 
b/tp/t/results/heading/heading_in_quotation.pl
index 779422f7f5..d9675da41e 100644
--- a/tp/t/results/heading/heading_in_quotation.pl
+++ b/tp/t/results/heading/heading_in_quotation.pl
@@ -83,8 +83,7 @@ $result_trees{'heading_in_quotation'} = {
                 'line_nr' => 3,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {}
+              'parent' => {}
             },
             {
               'parent' => {},
diff --git a/tp/t/results/html_tests/character_number_leading_toc_stoc.pl 
b/tp/t/results/html_tests/character_number_leading_toc_stoc.pl
index 00ff350da4..46e795f646 100644
--- a/tp/t/results/html_tests/character_number_leading_toc_stoc.pl
+++ b/tp/t/results/html_tests/character_number_leading_toc_stoc.pl
@@ -39,10 +39,7 @@ $result_trees{'character_number_leading_toc_stoc'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -71,11 +68,7 @@ $result_trees{'character_number_leading_toc_stoc'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -104,10 +97,7 @@ $result_trees{'character_number_leading_toc_stoc'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -189,10 +179,7 @@ $result_trees{'character_number_leading_toc_stoc'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/html_tests/check_htmlxref.pl 
b/tp/t/results/html_tests/check_htmlxref.pl
index 0e4f6167db..c7bfe19ce2 100644
--- a/tp/t/results/html_tests/check_htmlxref.pl
+++ b/tp/t/results/html_tests/check_htmlxref.pl
@@ -127,8 +127,7 @@ $result_trees{'check_htmlxref'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -502,10 +501,7 @@ $result_trees{'check_htmlxref'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -570,8 +566,7 @@ $result_trees{'check_htmlxref'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/html_tests/deftypefnnewline_for_copying_after.pl 
b/tp/t/results/html_tests/deftypefnnewline_for_copying_after.pl
index f67f0380c6..c7dc08ab65 100644
--- a/tp/t/results/html_tests/deftypefnnewline_for_copying_after.pl
+++ b/tp/t/results/html_tests/deftypefnnewline_for_copying_after.pl
@@ -365,8 +365,7 @@ $result_trees{'deftypefnnewline_for_copying_after'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -579,10 +578,7 @@ $result_trees{'deftypefnnewline_for_copying_after'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -715,8 +711,7 @@ $result_sectioning{'deftypefnnewline_for_copying_after'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -744,8 +739,7 @@ $result_nodes{'deftypefnnewline_for_copying_after'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'deftypefnnewline_for_copying_after'} = {
@@ -753,8 +747,7 @@ $result_menus{'deftypefnnewline_for_copying_after'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'deftypefnnewline_for_copying_after'} = [];
diff --git a/tp/t/results/html_tests/deftypefnnewline_for_copying_before.pl 
b/tp/t/results/html_tests/deftypefnnewline_for_copying_before.pl
index dd1a273656..ab6e2d5887 100644
--- a/tp/t/results/html_tests/deftypefnnewline_for_copying_before.pl
+++ b/tp/t/results/html_tests/deftypefnnewline_for_copying_before.pl
@@ -325,8 +325,7 @@ $result_trees{'deftypefnnewline_for_copying_before'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -539,10 +538,7 @@ $result_trees{'deftypefnnewline_for_copying_before'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -666,8 +662,7 @@ $result_sectioning{'deftypefnnewline_for_copying_before'} = 
{
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -695,8 +690,7 @@ $result_nodes{'deftypefnnewline_for_copying_before'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'deftypefnnewline_for_copying_before'} = {
@@ -704,8 +698,7 @@ $result_menus{'deftypefnnewline_for_copying_before'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'deftypefnnewline_for_copying_before'} = [];
diff --git a/tp/t/results/html_tests/documentdescription.pl 
b/tp/t/results/html_tests/documentdescription.pl
index 26fa42e766..70c871a8dc 100644
--- a/tp/t/results/html_tests/documentdescription.pl
+++ b/tp/t/results/html_tests/documentdescription.pl
@@ -321,10 +321,7 @@ $result_trees{'documentdescription'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/html_tests/empty_lines_at_beginning_no_setfilename.pl 
b/tp/t/results/html_tests/empty_lines_at_beginning_no_setfilename.pl
index f89a261f56..008b792515 100644
--- a/tp/t/results/html_tests/empty_lines_at_beginning_no_setfilename.pl
+++ b/tp/t/results/html_tests/empty_lines_at_beginning_no_setfilename.pl
@@ -100,8 +100,7 @@ $result_trees{'empty_lines_at_beginning_no_setfilename'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -137,10 +136,7 @@ $result_trees{'empty_lines_at_beginning_no_setfilename'} = 
{
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +203,7 @@ 
$result_sectioning{'empty_lines_at_beginning_no_setfilename'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -236,8 +231,7 @@ $result_nodes{'empty_lines_at_beginning_no_setfilename'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'empty_lines_at_beginning_no_setfilename'} = {
@@ -245,8 +239,7 @@ $result_menus{'empty_lines_at_beginning_no_setfilename'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'empty_lines_at_beginning_no_setfilename'} = [];
diff --git a/tp/t/results/html_tests/footnotestyle_separate_late.pl 
b/tp/t/results/html_tests/footnotestyle_separate_late.pl
index 4cda3a8bd1..bada8cef68 100644
--- a/tp/t/results/html_tests/footnotestyle_separate_late.pl
+++ b/tp/t/results/html_tests/footnotestyle_separate_late.pl
@@ -46,407 +46,397 @@ $result_trees{'footnotestyle_separate_late'} = [
             'type' => 'empty_line'
           }
         ],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 4,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
-    ],
-    'extra' => {
-      'node' => {},
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {},
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chap f'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chap-f'
-            }
-          ],
-          'normalized' => 'chap-f',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 6,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter f'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chap f'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'in fchap 1'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'paragraph'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'brace_command_context'
+                    'normalized' => 'chap-f'
                   }
                 ],
-                'cmdname' => 'footnote',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 9,
-                  'macro' => ''
-                },
-                'parent' => {}
+                'normalized' => 'chap-f',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 6,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter f'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 7,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
-    ],
-    'extra' => {
-      'node' => {},
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {
-      'unit_prev' => {}
-    },
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chap s'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'in fchap 1'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'paragraph'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_context'
+                        }
+                      ],
+                      'cmdname' => 'footnote',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 9,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => '
 '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 7,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chap-s'
-            }
-          ],
-          'normalized' => 'chap-s',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter s'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chap s'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'in fchap 2'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'paragraph'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'brace_command_context'
+                    'normalized' => 'chap-s'
                   }
                 ],
-                'cmdname' => 'footnote',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 14,
-                  'macro' => ''
-                },
-                'parent' => {}
+                'normalized' => 'chap-s',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter s'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'contents' => [
-                  {
-                    'parent' => {},
-                    'text' => 'separate'
-                  }
-                ],
-                'extra' => {
-                  'spaces_after_argument' => '
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'in fchap 2'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'paragraph'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_context'
+                        }
+                      ],
+                      'cmdname' => 'footnote',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 14,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => '
 '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'type' => 'line_arg'
-              }
-            ],
-            'cmdname' => 'footnotestyle',
-            'extra' => {
-              'misc_args' => [
-                'separate'
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'args' => [
+                    {
+                      'contents' => [
+                        {
+                          'parent' => {},
+                          'text' => 'separate'
+                        }
+                      ],
+                      'extra' => {
+                        'spaces_after_argument' => '
+'
+                      },
+                      'parent' => {},
+                      'type' => 'line_arg'
+                    }
+                  ],
+                  'cmdname' => 'footnotestyle',
+                  'extra' => {
+                    'misc_args' => [
+                      'separate'
+                    ],
+                    'spaces_before_argument' => ' '
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 16,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                }
               ],
-              'spaces_before_argument' => ' '
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 16,
-              'macro' => ''
-            },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 2
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   }
@@ -455,62 +445,66 @@ 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'contents'}[0]{'a
 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'contents'}[0];
 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0];
 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2];
-$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[0];
-$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2];
-$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'footnotestyle_separate_late'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[2];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'footnotestyle_separate_late'}[2];
-$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1];
-$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0];
-$result_trees{'footnotestyle_separate_late'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'footnotestyle_separate_late'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[3]{'args'}[0];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[3];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[3]{'parent'}
 = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'};
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[1] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[2] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'footnotestyle_separate_late'}[0]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[0] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'footnotestyle_separate_late'}[1]{'contents'}[1] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'footnotestyle_separate_late'}[1]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[0] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'footnotestyle_separate_late'}[2]{'contents'}[1] = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'node'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'section'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'footnotestyle_separate_late'}[2]{'extra'}{'unit_command'} = 
$result_trees{'footnotestyle_separate_late'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
 
 $result_texis{'footnotestyle_separate_late'} = '@setfilename 
footnotestyle_separate_late.info
 
@@ -560,56 +554,127 @@ $result_sectioning{'footnotestyle_separate_late'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chap-f',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'chap-s',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 2,
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodeBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'Prev' => {},
+                                'This' => {},
+                                'Up' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'Next' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chap-f',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chap-s',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -617,13 +682,54 @@ $result_sectioning{'footnotestyle_separate_late'} = {
     ]
   }
 };
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
 [...]
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'
 [...]
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions
 [...]
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{
 [...]
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'footnotestyle_separate_late'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'footnotestyle_separate_late'};
 
 $result_nodes{'footnotestyle_separate_late'} = {
@@ -635,6 +741,114 @@ $result_nodes{'footnotestyle_separate_late'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chap-f',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'node' => {},
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'NodeBack' => {},
+                                    'NodePrev' => {},
+                                    'NodeUp' => {},
+                                    'Prev' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 1,
+                              'number' => 2
+                            }
+                          },
+                          'normalized' => 'chap-s',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -642,63 +856,211 @@ $result_nodes{'footnotestyle_separate_late'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'node_next' => {
-      'cmdname' => 'node',
+    'associated_unit' => {},
+    'node_next' => {}
+  }
+};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'footnotestyle_separate_late'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'footnotestyle_separate_late'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_
 [...]
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra
 [...]
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'footnotestyle_separate_late'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'footnotestyle_separate_late'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'footnotestyle_separate_late'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'footnotestyle_separate_late'}{'structure'}{'associated_unit'} = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'} = 
$result_nodes{'footnotestyle_separate_late'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+
+$result_menus{'footnotestyle_separate_late'} = {
+  'cmdname' => 'node',
+  'extra' => {
+    'normalized' => 'Top',
+    'spaces_before_argument' => ' '
+  },
+  'structure' => {
+    'associated_unit' => {
       'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'level' => 1,
-            'number' => 1
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'normalized' => 'chap-f',
-        'spaces_before_argument' => ' '
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chap-f',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {}
+                }
               },
-              'structure' => {
-                'level' => 1,
-                'number' => 2
-              }
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
             },
-            'normalized' => 'chap-s',
-            'spaces_before_argument' => ' '
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {
+                  'extra' => {
+                    'node' => {
+                      'cmdname' => 'node',
+                      'extra' => {
+                        'normalized' => 'chap-s',
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {}
+                      }
+                    },
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 2
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'NodeBack' => {},
+                      'NodePrev' => {},
+                      'NodeUp' => {},
+                      'Prev' => {},
+                      'This' => {},
+                      'Up' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'Next' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
           },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
+          'Forward' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     }
   }
 };
-$result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'};
-$result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'footnotestyle_separate_late'};
-$result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'footnotestyle_separate_late'};
-$result_nodes{'footnotestyle_separate_late'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'footnotestyle_separate_late'};
-
-$result_menus{'footnotestyle_separate_late'} = {
-  'cmdname' => 'node',
-  'extra' => {
-    'normalized' => 'Top',
-    'spaces_before_argument' => ' '
-  },
-  'structure' => {}
-};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'footnotestyle_separate_late'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'footnotestyle_separate_late'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'};
+$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'footnotestyle_separate_late'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 $result_errors{'footnotestyle_separate_late'} = [];
 
@@ -715,7 +1077,9 @@ $result_elements{'footnotestyle_separate_late'} = [
           'normalized' => 'Top',
           'spaces_before_argument' => ' '
         },
-        'structure' => {}
+        'structure' => {
+          'associated_unit' => {}
+        }
       },
       'section' => {
         'cmdname' => 'top',
@@ -723,6 +1087,7 @@ $result_elements{'footnotestyle_separate_late'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -738,7 +1103,9 @@ $result_elements{'footnotestyle_separate_late'} = [
                 'normalized' => 'chap-f',
                 'spaces_before_argument' => ' '
               },
-              'structure' => {}
+              'structure' => {
+                'associated_unit' => {}
+              }
             },
             'section' => {
               'cmdname' => 'chapter',
@@ -746,6 +1113,7 @@ $result_elements{'footnotestyle_separate_late'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -764,7 +1132,9 @@ $result_elements{'footnotestyle_separate_late'} = [
                       'normalized' => 'chap-s',
                       'spaces_before_argument' => ' '
                     },
-                    'structure' => {}
+                    'structure' => {
+                      'associated_unit' => {}
+                    }
                   },
                   'section' => {
                     'cmdname' => 'chapter',
@@ -772,6 +1142,7 @@ $result_elements{'footnotestyle_separate_late'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 2
                     }
@@ -816,10 +1187,16 @@ $result_elements{'footnotestyle_separate_late'} = [
   {},
   {}
 ];
+$result_elements{'footnotestyle_separate_late'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'footnotestyle_separate_late'}[0];
+$result_elements{'footnotestyle_separate_late'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'footnotestyle_separate_late'}[0];
 $result_elements{'footnotestyle_separate_late'}[0]{'extra'}{'unit_command'} = 
$result_elements{'footnotestyle_separate_late'}[0]{'extra'}{'node'};
+$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'footnotestyle_separate_late'}[0];
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'footnotestyle_separate_late'}[0];
+$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'footnotestyle_separate_late'}[0]{'structure'}{'directions'}{'FastForward'};
diff --git a/tp/t/results/html_tests/html_in_copying.pl 
b/tp/t/results/html_tests/html_in_copying.pl
index f90d81357f..8831d677b3 100644
--- a/tp/t/results/html_tests/html_in_copying.pl
+++ b/tp/t/results/html_tests/html_in_copying.pl
@@ -198,8 +198,7 @@ $result_trees{'html_in_copying'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -235,10 +234,7 @@ $result_trees{'html_in_copying'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -309,8 +305,7 @@ $result_sectioning{'html_in_copying'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -338,8 +333,7 @@ $result_nodes{'html_in_copying'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'html_in_copying'} = {
@@ -347,8 +341,7 @@ $result_menus{'html_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'html_in_copying'} = [];
diff --git a/tp/t/results/html_tests/index_and_node_same_name.pl 
b/tp/t/results/html_tests/index_and_node_same_name.pl
index e6835b008f..99461e1cef 100644
--- a/tp/t/results/html_tests/index_and_node_same_name.pl
+++ b/tp/t/results/html_tests/index_and_node_same_name.pl
@@ -39,10 +39,7 @@ $result_trees{'index_and_node_same_name'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -169,8 +166,7 @@ $result_trees{'index_and_node_same_name'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -237,8 +233,7 @@ $result_nodes{'index_and_node_same_name'} = {
     'isindex' => 1,
     'normalized' => 'index-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'index_and_node_same_name'} = {
@@ -247,8 +242,7 @@ $result_menus{'index_and_node_same_name'} = {
     'isindex' => 1,
     'normalized' => 'index-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'index_and_node_same_name'} = [];
diff --git a/tp/t/results/html_tests/index_below.pl 
b/tp/t/results/html_tests/index_below.pl
index 96a7cad79f..8db8cb30e3 100644
--- a/tp/t/results/html_tests/index_below.pl
+++ b/tp/t/results/html_tests/index_below.pl
@@ -10,262 +10,253 @@ $result_trees{'index_below'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chap'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'sec'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'section',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'args' => [
+                    {
+                      'contents' => [
+                        {
+                          'parent' => {},
+                          'text' => 'entry'
+                        }
+                      ],
+                      'extra' => {
+                        'spaces_after_argument' => '
+'
+                      },
+                      'parent' => {},
+                      'type' => 'line_arg'
+                    }
+                  ],
+                  'cmdname' => 'cindex',
+                  'extra' => {
+                    'index_entry' => {
+                      'command' => {},
+                      'content' => [],
+                      'content_normalized' => [],
+                      'in_code' => 0,
+                      'index_at_command' => 'cindex',
+                      'index_ignore_chars' => {},
+                      'index_name' => 'cp',
+                      'index_type_command' => 'cindex',
+                      'number' => 1
+                    },
+                    'spaces_before_argument' => ' '
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 7,
+                    'macro' => ''
+                  },
+                  'parent' => {},
+                  'type' => 'index_entry_command'
+                },
+                {
+                  'args' => [
+                    {
+                      'contents' => [
+                        {
+                          'parent' => {},
+                          'text' => 'cp'
+                        }
+                      ],
+                      'extra' => {
+                        'spaces_after_argument' => '
+'
+                      },
+                      'parent' => {},
+                      'type' => 'line_arg'
+                    }
+                  ],
+                  'cmdname' => 'printindex',
+                  'extra' => {
+                    'misc_args' => [
+                      'cp'
+                    ],
+                    'spaces_before_argument' => ' '
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 8,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chap'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'sec'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'section',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'contents' => [
-                  {
-                    'parent' => {},
-                    'text' => 'entry'
-                  }
-                ],
-                'extra' => {
-                  'spaces_after_argument' => '
-'
-                },
-                'parent' => {},
-                'type' => 'line_arg'
-              }
-            ],
-            'cmdname' => 'cindex',
-            'extra' => {
-              'index_entry' => {
-                'command' => {},
-                'content' => [],
-                'content_normalized' => [],
-                'in_code' => 0,
-                'index_at_command' => 'cindex',
-                'index_ignore_chars' => {},
-                'index_name' => 'cp',
-                'index_type_command' => 'cindex',
-                'number' => 1
-              },
-              'spaces_before_argument' => ' '
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 7,
-              'macro' => ''
-            },
-            'parent' => {},
-            'type' => 'index_entry_command'
-          },
-          {
-            'args' => [
-              {
-                'contents' => [
-                  {
-                    'parent' => {},
-                    'text' => 'cp'
-                  }
-                ],
-                'extra' => {
-                  'spaces_after_argument' => '
-'
-                },
-                'parent' => {},
-                'type' => 'line_arg'
-              }
-            ],
-            'cmdname' => 'printindex',
-            'extra' => {
-              'misc_args' => [
-                'cp'
-              ],
-              'spaces_before_argument' => ' '
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 8,
-              'macro' => ''
-            },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 2,
-          'number' => '1.1'
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'index_below'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[0];
-$result_trees{'index_below'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'index_below'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'index_below'}[0]{'contents'}[1];
-$result_trees{'index_below'}[0]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[0]{'contents'}[1];
-$result_trees{'index_below'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'index_below'}[0];
-$result_trees{'index_below'}[0]{'extra'}{'section'} = 
$result_trees{'index_below'}[0]{'contents'}[1];
-$result_trees{'index_below'}[0]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[0]{'contents'}[1];
-$result_trees{'index_below'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'index_below'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'index_below'}[1]{'contents'}[0];
-$result_trees{'index_below'}[1]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[1]{'contents'}[0];
-$result_trees{'index_below'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[1];
-$result_trees{'index_below'}[1]{'extra'}{'section'} = 
$result_trees{'index_below'}[1]{'contents'}[0];
-$result_trees{'index_below'}[1]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[1]{'contents'}[0];
-$result_trees{'index_below'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'index_below'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'index_entry'}{'command'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'index_entry'}{'content'}
 = 
$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'};
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'index_entry'}{'content_normalized'}
 = 
$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'contents'};
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'index_below'}[2]{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'index_below'}[2];
-$result_trees{'index_below'}[2]{'extra'}{'section'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[2]{'contents'}[0];
-$result_trees{'index_below'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'index_below'}[1];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'index_below'}[0]{'contents'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'};
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'};
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'extra'}{'index_entry'}{'command'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'extra'}{'index_entry'}{'content'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'};
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'extra'}{'index_entry'}{'content_normalized'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'contents'};
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[2]{'args'}[0];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[2];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'index_below'}[0]{'contents'}[0]{'parent'};
+$result_trees{'index_below'}[0]{'contents'}[1] = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'index_below'}[0]{'extra'}{'section'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'index_below'}[0]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'index_below'}[1]{'contents'}[0] = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'index_below'}[1]{'extra'}{'section'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'index_below'}[1]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'index_below'}[2]{'contents'}[0] = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[2]{'extra'}{'section'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'index_below'}[2]{'extra'}{'unit_command'} = 
$result_trees{'index_below'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'index_below'} = '@top top
 
@@ -299,34 +290,83 @@ $result_sectioning{'index_below'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 1,
+                        'section_childs' => [
+                          {
+                            'cmdname' => 'section',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 2,
+                              'number' => '1.1',
+                              'section_up' => {}
+                            }
+                          }
+                        ],
+                        'section_up' => {},
+                        'toplevel_prev' => {},
+                        'toplevel_up' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'Forward' => {},
+                      'This' => {},
+                      'Up' => {}
+                    },
+                    'unit_next' => {},
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_childs' => [
-                  {
-                    'cmdname' => 'section',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 2,
-                      'number' => '1.1',
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {}
           ],
           'section_up' => {}
         }
@@ -334,10 +374,32 @@ $result_sectioning{'index_below'} = {
     ]
   }
 };
-$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'index_below'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'index_below'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'index_below'};
 
 $result_errors{'index_below'} = [];
@@ -362,6 +424,7 @@ $result_elements{'index_below'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -377,6 +440,7 @@ $result_elements{'index_below'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -395,6 +459,7 @@ $result_elements{'index_below'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 2,
                       'number' => '1.1'
                     }
@@ -426,10 +491,13 @@ $result_elements{'index_below'} = [
   {},
   {}
 ];
+$result_elements{'index_below'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'index_below'}[0];
 $result_elements{'index_below'}[0]{'extra'}{'unit_command'} = 
$result_elements{'index_below'}[0]{'extra'}{'section'};
+$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'index_below'}[0];
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'index_below'}[0];
+$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'};
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'index_below'}[0]{'structure'}{'directions'}{'FastForward'};
diff --git a/tp/t/results/html_tests/redirection_same_labels.pl 
b/tp/t/results/html_tests/redirection_same_labels.pl
index 58b77535b5..08435a6db1 100644
--- a/tp/t/results/html_tests/redirection_same_labels.pl
+++ b/tp/t/results/html_tests/redirection_same_labels.pl
@@ -46,1098 +46,1088 @@ $result_trees{'redirection_same_labels'} = [
             'type' => 'empty_line'
           }
         ],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'the top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'the top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'contents' => [
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'parent' => {},
-                            'text' => ' * @"i::
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'contents' => [
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'parent' => {},
+                                  'text' => ' * @"i::
 ',
-                            'type' => 'misc_arg'
-                          }
-                        ],
-                        'cmdname' => 'c',
-                        'extra' => {
-                          'misc_args' => [
-                            ' * @"i::
+                                  'type' => 'misc_arg'
+                                }
+                              ],
+                              'cmdname' => 'c',
+                              'extra' => {
+                                'misc_args' => [
+                                  ' * @"i::
 '
-                          ]
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'args' => [
-                          {
-                            'parent' => {},
-                            'text' => ' * @~{@dotless{i}}::
+                                ]
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'args' => [
+                                {
+                                  'parent' => {},
+                                  'text' => ' * @~{@dotless{i}}::
 ',
-                            'type' => 'misc_arg'
-                          }
-                        ],
-                        'cmdname' => 'c',
-                        'extra' => {
-                          'misc_args' => [
-                            ' * @~{@dotless{i}}::
+                                  'type' => 'misc_arg'
+                                }
+                              ],
+                              'cmdname' => 'c',
+                              'extra' => {
+                                'misc_args' => [
+                                  ' * @~{@dotless{i}}::
 '
-                          ]
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'args' => [
-                          {
-                            'parent' => {},
-                            'text' => ' * @^i::
+                                ]
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'args' => [
+                                {
+                                  'parent' => {},
+                                  'text' => ' * @^i::
 ',
-                            'type' => 'misc_arg'
-                          }
-                        ],
-                        'cmdname' => 'c',
-                        'extra' => {
-                          'misc_args' => [
-                            ' * @^i::
+                                  'type' => 'misc_arg'
+                                }
+                              ],
+                              'cmdname' => 'c',
+                              'extra' => {
+                                'misc_args' => [
+                                  ' * @^i::
 '
-                          ]
+                                ]
+                              },
+                              'parent' => {}
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'preformatted'
+                        }
+                      ],
+                      'parent' => {},
+                      'type' => 'menu_comment'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
                         },
-                        'parent' => {}
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'preformatted'
-                  }
-                ],
-                'parent' => {},
-                'type' => 'menu_comment'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'umlaut'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'umlaut'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'umlaut'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 10,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'circumflex'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'circumflex'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 11,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 12,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 6,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'umlaut'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'umlaut'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 10,
-                  'macro' => ''
-                },
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-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 26,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'circumflex'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
-                },
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'i'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'following_arg'
-                          }
-                        ],
-                        'cmdname' => '^',
-                        'contents' => [],
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 30,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'i'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'dotless',
+                              'contents' => [],
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 24,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => '~',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 24,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => '_00ee'
+                    'normalized' => '_0129'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 30,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => '_0129',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 24,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'circumflex'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 31,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 29,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 27,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 2
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'args' => [
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'i'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'following_arg'
+                    'normalized' => 'circumflex'
                   }
                 ],
-                'cmdname' => '^',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 33,
-                  'macro' => ''
+                'normalized' => 'circumflex',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 26,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'circumflex'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
                 },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'i'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'following_arg'
+                                }
+                              ],
+                              'cmdname' => '^',
+                              'contents' => [],
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 30,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
 '
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => '_00ee'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 30,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 31,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 29,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 27,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'i'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'following_arg'
+                        }
+                      ],
+                      'cmdname' => '^',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 33,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => '_00ee'
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => '_00ee'
+                  }
+                ],
+                'normalized' => '_00ee',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 33,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => '_00ee',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 33,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {},
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   }
@@ -1146,160 +1136,167 @@ 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'contents'}[0]{'args'
 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'contents'}[0];
 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0];
 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'redirection_same_labels'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'redirection_same_labels'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'redirection_same_labels'}[0];
-$result_trees{'redirection_same_labels'}[0]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[0]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[0]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'redirection_same_labels'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'redirection_same_labels'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'redirection_same_labels'}[1];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[1]{'contents'}[3];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'redirection_same_labels'}[1];
-$result_trees{'redirection_same_labels'}[1]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[1]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'redirection_same_labels'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'redirection_same_labels'}[2];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'redirection_same_labels'}[2];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'redirection_same_labels'}[2]{'contents'}[2];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'redirection_same_labels'}[2];
-$result_trees{'redirection_same_labels'}[2]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[0];
-$result_trees{'redirection_same_labels'}[2]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[2]{'contents'}[1];
-$result_trees{'redirection_same_labels'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'redirection_same_labels'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[1]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[2]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'parent'}
 = $result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'};
+$result_trees{'redirection_same_labels'}[0]{'contents'}[1] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'contents'}[2] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'redirection_same_labels'}[0]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[0]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'redirection_same_labels'}[1]{'contents'}[0] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'redirection_same_labels'}[1]{'contents'}[1] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[1]{'contents'}[2] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'redirection_same_labels'}[1]{'contents'}[3] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'redirection_same_labels'}[1]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'redirection_same_labels'}[1]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[1]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'redirection_same_labels'}[2]{'contents'}[0] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'redirection_same_labels'}[2]{'contents'}[1] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[2]{'contents'}[2] = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'redirection_same_labels'}[2]{'extra'}{'node'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'redirection_same_labels'}[2]{'extra'}{'section'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'redirection_same_labels'}[2]{'extra'}{'unit_command'} = 
$result_trees{'redirection_same_labels'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
 
 $result_texis{'redirection_same_labels'} = '@setfilename 
redirection_same_labels.info
 
@@ -1372,56 +1369,128 @@ $result_sectioning{'redirection_same_labels'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'umlaut',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'circumflex',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 2,
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodeBack' => {},
+                                'NodeForward' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'Prev' => {},
+                                'This' => {},
+                                'Up' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'Next' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'umlaut',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'circumflex',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -1429,13 +1498,55 @@ $result_sectioning{'redirection_same_labels'} = {
     ]
   }
 };
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'redirection_same_labels'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'redirection_same_labels'};
 
 $result_nodes{'redirection_same_labels'} = {
@@ -1447,6 +1558,179 @@ $result_nodes{'redirection_same_labels'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'umlaut',
+                      'spaces_before_argument' => ' '
+                    },
+                    'menus' => [
+                      {
+                        'cmdname' => 'menu',
+                        'extra' => {
+                          'end_command' => {
+                            'cmdname' => 'end',
+                            'extra' => {
+                              'command_argument' => 'menu',
+                              'spaces_before_argument' => ' ',
+                              'text_arg' => 'menu'
+                            }
+                          }
+                        }
+                      }
+                    ],
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_child' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => '_00ef',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_next' => {
+                            'cmdname' => 'node',
+                            'extra' => {
+                              'normalized' => '_0129',
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'node_prev' => {},
+                              'node_up' => {}
+                            }
+                          },
+                          'node_up' => {}
+                        }
+                      },
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'node' => {},
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'NodeBack' => {},
+                                    'NodeForward' => {},
+                                    'NodePrev' => {},
+                                    'NodeUp' => {},
+                                    'Prev' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 1,
+                              'number' => 2
+                            }
+                          },
+                          'normalized' => 'circumflex',
+                          'spaces_before_argument' => ' '
+                        },
+                        'menus' => [
+                          {
+                            'cmdname' => 'menu',
+                            'extra' => {
+                              'end_command' => {
+                                'cmdname' => 'end',
+                                'extra' => {
+                                  'command_argument' => 'menu',
+                                  'spaces_before_argument' => ' ',
+                                  'text_arg' => 'menu'
+                                }
+                              }
+                            }
+                          }
+                        ],
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_child' => {
+                            'cmdname' => 'node',
+                            'extra' => {
+                              'normalized' => '_00ee',
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'node_up' => {}
+                            }
+                          },
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -1469,121 +1753,65 @@ $result_nodes{'redirection_same_labels'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'umlaut',
-        'spaces_before_argument' => ' '
-      },
-      'menus' => [
-        {
-          'cmdname' => 'menu',
-          'extra' => {
-            'end_command' => {
-              'cmdname' => 'end',
-              'extra' => {
-                'command_argument' => 'menu',
-                'spaces_before_argument' => ' ',
-                'text_arg' => 'menu'
-              }
-            }
-          }
-        }
-      ],
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => '_00ef',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_0129',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_prev' => {},
-                'node_up' => {}
-              }
-            },
-            'node_up' => {}
-          }
-        },
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2
-              }
-            },
-            'normalized' => 'circumflex',
-            'spaces_before_argument' => ' '
-          },
-          'menus' => [
-            {
-              'cmdname' => 'menu',
-              'extra' => {
-                'end_command' => {
-                  'cmdname' => 'end',
-                  'extra' => {
-                    'command_argument' => 'menu',
-                    'spaces_before_argument' => ' ',
-                    'text_arg' => 'menu'
-                  }
-                }
-              }
-            }
-          ],
-          'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_00ee',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_up' => {}
-              }
-            },
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'redirection_same_labels'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'};
-$result_nodes{'redirection_same_labels'}{'structure'}{'node_next'} = 
$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'redirection_same_labels'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'
 [...]
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'
 [...]
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'asso
 [...]
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associat
 [...]
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'redirection_same_labels'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'redirection_same_labels'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'redirection_same_labels'}{'structure'}{'associated_unit'} = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'redirection_same_labels'}{'structure'}{'menu_child'} = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'redirection_same_labels'}{'structure'}{'node_next'} = 
$result_nodes{'redirection_same_labels'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'redirection_same_labels'} = {
   'cmdname' => 'node',
@@ -1592,82 +1820,222 @@ $result_menus{'redirection_same_labels'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'umlaut',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => '_00ef',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_0129',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'umlaut' => 1
-                }
-              }
-            },
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'umlaut' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'circumflex',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_00ee',
-                'spaces_before_argument' => ' '
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'umlaut',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_child' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => '_00ef',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => '_0129',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_prev' => {},
+                          'menu_up' => {},
+                          'menu_up_hash' => {
+                            'umlaut' => 1
+                          }
+                        }
+                      },
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'umlaut' => 1
+                      }
+                    }
+                  },
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'circumflex',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 2
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'NodeBack' => {},
+                            'NodeForward' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'Prev' => {},
+                            'This' => {},
+                            'Up' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_child' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => '_00ee',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_up' => {},
+                          'menu_up_hash' => {
+                            'circumflex' => 1
+                          }
+                        }
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
               },
-              'structure' => {
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'circumflex' => 1
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'Next' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'menu_child'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'};
-$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'redirection_same_labels'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'redirection_same_labels'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'};
+$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'redirection_same_labels'}{'structure'}{'menu_child'} = 
$result_menus{'redirection_same_labels'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'redirection_same_labels'} = [];
 
@@ -1685,6 +2053,7 @@ $result_elements{'redirection_same_labels'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -1692,60 +2061,128 @@ $result_elements{'redirection_same_labels'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_child' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => '_00ef',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_next' => {
-                    'cmdname' => 'node',
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
                     'extra' => {
-                      'normalized' => '_0129',
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'umlaut' => 1
-                      }
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
                     }
                   },
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'umlaut' => 1
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'circumflex',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_child' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => '_00ee',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'circumflex' => 1
+                                }
+                              }
+                            },
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 2
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'Prev' => {},
+                          'This' => {},
+                          'Up' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
-              'menu_next' => {
+              'menu_child' => {
                 'cmdname' => 'node',
                 'extra' => {
-                  'normalized' => 'circumflex',
+                  'normalized' => '_00ef',
                   'spaces_before_argument' => ' '
                 },
                 'structure' => {
-                  'menu_child' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
                     'cmdname' => 'node',
                     'extra' => {
-                      'normalized' => '_00ee',
+                      'normalized' => '_0129',
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
+                      'menu_prev' => {},
                       'menu_up' => {},
                       'menu_up_hash' => {
-                        'circumflex' => 1
+                        'umlaut' => 1
                       }
                     }
                   },
-                  'menu_prev' => {},
                   'menu_up' => {},
                   'menu_up_hash' => {
-                    'Top' => 1
+                    'umlaut' => 1
                   }
                 }
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -1760,6 +2197,7 @@ $result_elements{'redirection_same_labels'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -1767,68 +2205,7 @@ $result_elements{'redirection_same_labels'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
-                'extra' => {
-                  'node' => {},
-                  'section' => {
-                    'cmdname' => 'chapter',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 1,
-                      'number' => 2
-                    }
-                  },
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'FastBack' => {},
-                    'NodeBack' => {},
-                    'NodeForward' => {},
-                    'NodePrev' => {},
-                    'NodeUp' => {},
-                    'Prev' => {},
-                    'This' => {},
-                    'Up' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'Forward' => {},
-              'Next' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
@@ -1840,44 +2217,53 @@ $result_elements{'redirection_same_labels'} = [
   {},
   {}
 ];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'redirection_same_labels'}[0]{'extra'}{'node'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'redirection_same_labels'}[0];
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'redirection_same_labels'}[0]{'extra'}{'node'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'redirection_same_labels'}[0]{'extra'}{'node'};
+$result_elements{'redirection_same_labels'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'redirection_same_labels'}[0];
 $result_elements{'redirection_same_labels'}[0]{'extra'}{'unit_command'} = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'section'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'redirection_same_labels'}[0];
-$result_elements{'redirection_same_labels'}[1] = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'redirection_same_labels'}[2] = 
$result_elements{'redirection_same_labels'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'redirection_same_labels'}[1] = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'redirection_same_labels'}[2] = 
$result_elements{'redirection_same_labels'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/html_tests/ref_in_preformatted.pl 
b/tp/t/results/html_tests/ref_in_preformatted.pl
index 997e48b850..545aa7d2f1 100644
--- a/tp/t/results/html_tests/ref_in_preformatted.pl
+++ b/tp/t/results/html_tests/ref_in_preformatted.pl
@@ -231,8 +231,7 @@ $result_trees{'ref_in_preformatted'} = {
                         'line_nr' => 12,
                         'macro' => ''
                       },
-                      'parent' => {},
-                      'structure' => {}
+                      'parent' => {}
                     },
                     'node_argument' => {
                       'node_content' => [
@@ -326,8 +325,7 @@ $result_trees{'ref_in_preformatted'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {}
   ],
diff --git a/tp/t/results/html_tests/shortcontents_no_top.pl 
b/tp/t/results/html_tests/shortcontents_no_top.pl
index 9b9985d109..e5bf90eeca 100644
--- a/tp/t/results/html_tests/shortcontents_no_top.pl
+++ b/tp/t/results/html_tests/shortcontents_no_top.pl
@@ -46,11 +46,7 @@ $result_trees{'shortcontents_no_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -86,11 +82,7 @@ $result_trees{'shortcontents_no_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -143,11 +135,7 @@ $result_trees{'shortcontents_no_top'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/html_tests/simple_menu.pl 
b/tp/t/results/html_tests/simple_menu.pl
index bcc8c7a41e..0f6363018a 100644
--- a/tp/t/results/html_tests/simple_menu.pl
+++ b/tp/t/results/html_tests/simple_menu.pl
@@ -58,8 +58,7 @@ $result_trees{'simple_menu'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1690,10 +1689,7 @@ $result_trees{'simple_menu'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl 
b/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl
index 571d8319c7..9e1965b753 100644
--- a/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl
+++ b/tp/t/results/html_tests/test_xrefautomaticsectiontitle.pl
@@ -51,8 +51,7 @@ $result_trees{'test_xrefautomaticsectiontitle'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -204,10 +203,7 @@ $result_trees{'test_xrefautomaticsectiontitle'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -248,8 +244,7 @@ $result_trees{'test_xrefautomaticsectiontitle'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -449,11 +444,7 @@ $result_trees{'test_xrefautomaticsectiontitle'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/html_tests/test_xrefautomaticsectiontitle_off_first.pl 
b/tp/t/results/html_tests/test_xrefautomaticsectiontitle_off_first.pl
index 6fea010d8d..8a48d93164 100644
--- a/tp/t/results/html_tests/test_xrefautomaticsectiontitle_off_first.pl
+++ b/tp/t/results/html_tests/test_xrefautomaticsectiontitle_off_first.pl
@@ -95,8 +95,7 @@ $result_trees{'test_xrefautomaticsectiontitle_off_first'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -248,10 +247,7 @@ $result_trees{'test_xrefautomaticsectiontitle_off_first'} 
= {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -292,8 +288,7 @@ $result_trees{'test_xrefautomaticsectiontitle_off_first'} = 
{
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -456,11 +451,7 @@ $result_trees{'test_xrefautomaticsectiontitle_off_first'} 
= {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/html_tests/text_before_top_and_contents_after_title.pl 
b/tp/t/results/html_tests/text_before_top_and_contents_after_title.pl
index 3abc623e0e..f248ba4ebb 100644
--- a/tp/t/results/html_tests/text_before_top_and_contents_after_title.pl
+++ b/tp/t/results/html_tests/text_before_top_and_contents_after_title.pl
@@ -75,8 +75,7 @@ $result_trees{'text_before_top_and_contents_after_title'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -129,10 +128,7 @@ $result_trees{'text_before_top_and_contents_after_title'} 
= {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -191,11 +187,7 @@ $result_trees{'text_before_top_and_contents_after_title'} 
= {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -266,8 +258,7 @@ 
$result_sectioning{'text_before_top_and_contents_after_title'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -313,8 +304,7 @@ $result_nodes{'text_before_top_and_contents_after_title'} = 
{
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'text_before_top_and_contents_after_title'} = {
@@ -322,8 +312,7 @@ $result_menus{'text_before_top_and_contents_after_title'} = 
{
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'text_before_top_and_contents_after_title'} = [];
diff --git 
a/tp/t/results/html_tests/text_before_top_and_summarycontents_after_title.pl 
b/tp/t/results/html_tests/text_before_top_and_summarycontents_after_title.pl
index 37d40d7af8..bd72d9cbe3 100644
--- a/tp/t/results/html_tests/text_before_top_and_summarycontents_after_title.pl
+++ b/tp/t/results/html_tests/text_before_top_and_summarycontents_after_title.pl
@@ -75,8 +75,7 @@ 
$result_trees{'text_before_top_and_summarycontents_after_title'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -129,10 +128,7 @@ 
$result_trees{'text_before_top_and_summarycontents_after_title'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -191,11 +187,7 @@ 
$result_trees{'text_before_top_and_summarycontents_after_title'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -266,8 +258,7 @@ 
$result_sectioning{'text_before_top_and_summarycontents_after_title'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -313,8 +304,7 @@ 
$result_nodes{'text_before_top_and_summarycontents_after_title'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'text_before_top_and_summarycontents_after_title'} = {
@@ -322,8 +312,7 @@ 
$result_menus{'text_before_top_and_summarycontents_after_title'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'text_before_top_and_summarycontents_after_title'} = [];
diff --git a/tp/t/results/html_tests/titles.pl 
b/tp/t/results/html_tests/titles.pl
index a3479ceaac..2e6db610f9 100644
--- a/tp/t/results/html_tests/titles.pl
+++ b/tp/t/results/html_tests/titles.pl
@@ -167,8 +167,7 @@ $result_trees{'titles'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -288,10 +287,7 @@ $result_trees{'titles'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -369,8 +365,7 @@ $result_sectioning{'titles'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -398,8 +393,7 @@ $result_nodes{'titles'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'titles'} = {
@@ -407,8 +401,7 @@ $result_menus{'titles'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'titles'} = [];
diff --git a/tp/t/results/htmlxref/htmlxref.pl 
b/tp/t/results/htmlxref/htmlxref.pl
index 0f3308c649..1b091413f9 100644
--- a/tp/t/results/htmlxref/htmlxref.pl
+++ b/tp/t/results/htmlxref/htmlxref.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/htmlxref/htmlxref_nodes.pl 
b/tp/t/results/htmlxref/htmlxref_nodes.pl
index 12ca18244e..8b6ff1f672 100644
--- a/tp/t/results/htmlxref/htmlxref_nodes.pl
+++ b/tp/t/results/htmlxref/htmlxref_nodes.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref_nodes'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref_nodes'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref_nodes'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref_nodes'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref_nodes'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref_nodes'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref_nodes'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref_nodes'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/htmlxref/htmlxref_only_mono.pl 
b/tp/t/results/htmlxref/htmlxref_only_mono.pl
index b89c726c33..286a2903e6 100644
--- a/tp/t/results/htmlxref/htmlxref_only_mono.pl
+++ b/tp/t/results/htmlxref/htmlxref_only_mono.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref_only_mono'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref_only_mono'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref_only_mono'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref_only_mono'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref_only_mono'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref_only_mono'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref_only_mono'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref_only_mono'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref_only_mono'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref_only_mono'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/htmlxref/htmlxref_only_mono_nodes.pl 
b/tp/t/results/htmlxref/htmlxref_only_mono_nodes.pl
index af08b31eb8..8dff1a08ca 100644
--- a/tp/t/results/htmlxref/htmlxref_only_mono_nodes.pl
+++ b/tp/t/results/htmlxref/htmlxref_only_mono_nodes.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref_only_mono_nodes'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/htmlxref/htmlxref_only_split.pl 
b/tp/t/results/htmlxref/htmlxref_only_split.pl
index 42c2fc2809..8611bf83e2 100644
--- a/tp/t/results/htmlxref/htmlxref_only_split.pl
+++ b/tp/t/results/htmlxref/htmlxref_only_split.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref_only_split'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref_only_split'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref_only_split'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref_only_split'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref_only_split'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref_only_split'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref_only_split'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref_only_split'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref_only_split'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref_only_split'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/htmlxref/htmlxref_only_split_nodes.pl 
b/tp/t/results/htmlxref/htmlxref_only_split_nodes.pl
index 27137924ce..56fce36b78 100644
--- a/tp/t/results/htmlxref/htmlxref_only_split_nodes.pl
+++ b/tp/t/results/htmlxref/htmlxref_only_split_nodes.pl
@@ -105,8 +105,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +274,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -987,8 +985,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
             'line_nr' => 37,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1194,8 +1191,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
             'line_nr' => 45,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1416,8 +1412,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
                     'line_nr' => 85,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1719,8 +1714,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
                     'line_nr' => 90,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2163,8 +2157,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
                     'line_nr' => 95,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -2268,10 +2261,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2367,8 +2357,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2849,11 +2838,7 @@ $result_trees{'htmlxref_only_split_nodes'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/include/cpp_lines.pl 
b/tp/t/results/include/cpp_lines.pl
index dbc518d265..2459555031 100644
--- a/tp/t/results/include/cpp_lines.pl
+++ b/tp/t/results/include/cpp_lines.pl
@@ -693,8 +693,7 @@ $result_trees{'cpp_lines'} = {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/include/macro_and_commands_in_early_commands.pl 
b/tp/t/results/include/macro_and_commands_in_early_commands.pl
index e287a3aed7..46e21088e2 100644
--- a/tp/t/results/include/macro_and_commands_in_early_commands.pl
+++ b/tp/t/results/include/macro_and_commands_in_early_commands.pl
@@ -275,8 +275,7 @@ $result_trees{'macro_and_commands_in_early_commands'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -423,10 +422,7 @@ $result_trees{'macro_and_commands_in_early_commands'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/include/macro_in_early_commands.pl 
b/tp/t/results/include/macro_in_early_commands.pl
index 67603e8976..acf8a25cad 100644
--- a/tp/t/results/include/macro_in_early_commands.pl
+++ b/tp/t/results/include/macro_in_early_commands.pl
@@ -354,8 +354,7 @@ $result_trees{'macro_in_early_commands'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -496,10 +495,7 @@ $result_trees{'macro_in_early_commands'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/include/value_expansion_in_include.pl 
b/tp/t/results/include/value_expansion_in_include.pl
index 3199d3231b..c8910100f5 100644
--- a/tp/t/results/include/value_expansion_in_include.pl
+++ b/tp/t/results/include/value_expansion_in_include.pl
@@ -464,8 +464,7 @@ $result_trees{'value_expansion_in_include'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/complex_recursive_synindex.pl 
b/tp/t/results/indices/complex_recursive_synindex.pl
index 747af6b602..1a2e39a5c2 100644
--- a/tp/t/results/indices/complex_recursive_synindex.pl
+++ b/tp/t/results/indices/complex_recursive_synindex.pl
@@ -908,8 +908,7 @@ $result_trees{'complex_recursive_synindex'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/def_syn_indices.pl 
b/tp/t/results/indices/def_syn_indices.pl
index 4d764c074a..5e6144d07b 100644
--- a/tp/t/results/indices/def_syn_indices.pl
+++ b/tp/t/results/indices/def_syn_indices.pl
@@ -125,8 +125,7 @@ $result_trees{'def_syn_indices'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,10 +161,7 @@ $result_trees{'def_syn_indices'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +203,7 @@ $result_trees{'def_syn_indices'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1389,11 +1384,7 @@ $result_trees{'def_syn_indices'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl 
b/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
index bd80948c6c..cac197ef32 100644
--- a/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
+++ b/tp/t/results/indices/default_cp_index_and_one_letter_syncodeindex.pl
@@ -216,8 +216,7 @@ 
$result_trees{'default_cp_index_and_one_letter_syncodeindex'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -274,8 +273,7 @@ 
$result_nodes{'default_cp_index_and_one_letter_syncodeindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'default_cp_index_and_one_letter_syncodeindex'} = {
@@ -284,8 +282,7 @@ 
$result_menus{'default_cp_index_and_one_letter_syncodeindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'default_cp_index_and_one_letter_syncodeindex'} = [];
diff --git a/tp/t/results/indices/double_index_entry.pl 
b/tp/t/results/indices/double_index_entry.pl
index becc3baed2..d963e13edf 100644
--- a/tp/t/results/indices/double_index_entry.pl
+++ b/tp/t/results/indices/double_index_entry.pl
@@ -285,8 +285,7 @@ $result_trees{'double_index_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -441,8 +440,7 @@ $result_trees{'double_index_entry'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/double_seeentry_seealso.pl 
b/tp/t/results/indices/double_seeentry_seealso.pl
index ae45734a53..172848a003 100644
--- a/tp/t/results/indices/double_seeentry_seealso.pl
+++ b/tp/t/results/indices/double_seeentry_seealso.pl
@@ -87,8 +87,7 @@ $result_trees{'double_seeentry_seealso'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'double_seeentry_seealso'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -169,8 +165,7 @@ $result_trees{'double_seeentry_seealso'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -645,11 +640,7 @@ $result_trees{'double_seeentry_seealso'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/double_syncodeindex.pl 
b/tp/t/results/indices/double_syncodeindex.pl
index 289519eb2f..61f251dbc6 100644
--- a/tp/t/results/indices/double_syncodeindex.pl
+++ b/tp/t/results/indices/double_syncodeindex.pl
@@ -280,8 +280,7 @@ $result_trees{'double_syncodeindex'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -346,8 +345,7 @@ $result_nodes{'double_syncodeindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'double_syncodeindex'} = {
@@ -356,8 +354,7 @@ $result_menus{'double_syncodeindex'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'double_syncodeindex'} = [
diff --git a/tp/t/results/indices/empty_cindex_entry.pl 
b/tp/t/results/indices/empty_cindex_entry.pl
index 7dc17864e8..5473e001de 100644
--- a/tp/t/results/indices/empty_cindex_entry.pl
+++ b/tp/t/results/indices/empty_cindex_entry.pl
@@ -75,8 +75,7 @@ $result_trees{'empty_cindex_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -102,8 +101,7 @@ $result_nodes{'empty_cindex_entry'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'empty_cindex_entry'} = {
@@ -111,8 +109,7 @@ $result_menus{'empty_cindex_entry'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'empty_cindex_entry'} = [
diff --git a/tp/t/results/indices/empty_index_entry.pl 
b/tp/t/results/indices/empty_index_entry.pl
index 70a22efeae..7c86740658 100644
--- a/tp/t/results/indices/empty_index_entry.pl
+++ b/tp/t/results/indices/empty_index_entry.pl
@@ -210,8 +210,7 @@ $result_trees{'empty_index_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -261,8 +260,7 @@ $result_nodes{'empty_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'empty_index_entry'} = {
@@ -271,8 +269,7 @@ $result_menus{'empty_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'empty_index_entry'} = [
diff --git a/tp/t/results/indices/empty_string_index_entry.pl 
b/tp/t/results/indices/empty_string_index_entry.pl
index 6b0cb29cd5..345c9751a6 100644
--- a/tp/t/results/indices/empty_string_index_entry.pl
+++ b/tp/t/results/indices/empty_string_index_entry.pl
@@ -631,8 +631,7 @@ $result_trees{'empty_string_index_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -751,8 +750,7 @@ $result_nodes{'empty_string_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'empty_string_index_entry'} = {
@@ -761,8 +759,7 @@ $result_menus{'empty_string_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'empty_string_index_entry'} = [
diff --git a/tp/t/results/indices/encoding_index_ascii.pl 
b/tp/t/results/indices/encoding_index_ascii.pl
index 60b701cf1b..ebc1d67e5d 100644
--- a/tp/t/results/indices/encoding_index_ascii.pl
+++ b/tp/t/results/indices/encoding_index_ascii.pl
@@ -125,8 +125,7 @@ $result_trees{'encoding_index_ascii'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2984,10 +2983,7 @@ $result_trees{'encoding_index_ascii'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3551,8 +3547,7 @@ $result_sectioning{'encoding_index_ascii'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3581,8 +3576,7 @@ $result_nodes{'encoding_index_ascii'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_ascii'} = {
@@ -3591,8 +3585,7 @@ $result_menus{'encoding_index_ascii'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_ascii'} = [];
diff --git a/tp/t/results/indices/encoding_index_ascii_enable_encoding.pl 
b/tp/t/results/indices/encoding_index_ascii_enable_encoding.pl
index 36c54005e6..b8f800ac92 100644
--- a/tp/t/results/indices/encoding_index_ascii_enable_encoding.pl
+++ b/tp/t/results/indices/encoding_index_ascii_enable_encoding.pl
@@ -125,8 +125,7 @@ $result_trees{'encoding_index_ascii_enable_encoding'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2984,10 +2983,7 @@ $result_trees{'encoding_index_ascii_enable_encoding'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -3551,8 +3547,7 @@ 
$result_sectioning{'encoding_index_ascii_enable_encoding'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3581,8 +3576,7 @@ $result_nodes{'encoding_index_ascii_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_ascii_enable_encoding'} = {
@@ -3591,8 +3585,7 @@ $result_menus{'encoding_index_ascii_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_ascii_enable_encoding'} = [];
diff --git a/tp/t/results/indices/encoding_index_latin1.pl 
b/tp/t/results/indices/encoding_index_latin1.pl
index 767d8ee7af..efb920f0db 100644
--- a/tp/t/results/indices/encoding_index_latin1.pl
+++ b/tp/t/results/indices/encoding_index_latin1.pl
@@ -137,8 +137,7 @@ $result_trees{'encoding_index_latin1'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2952,10 +2951,7 @@ $result_trees{'encoding_index_latin1'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3529,8 +3525,7 @@ $result_sectioning{'encoding_index_latin1'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3559,8 +3554,7 @@ $result_nodes{'encoding_index_latin1'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_latin1'} = {
@@ -3569,8 +3563,7 @@ $result_menus{'encoding_index_latin1'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_latin1'} = [];
diff --git a/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl 
b/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl
index 1e3ccea875..c115b340ef 100644
--- a/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl
+++ b/tp/t/results/indices/encoding_index_latin1_enable_encoding.pl
@@ -137,8 +137,7 @@ $result_trees{'encoding_index_latin1_enable_encoding'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2952,10 +2951,7 @@ $result_trees{'encoding_index_latin1_enable_encoding'} = 
{
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3529,8 +3525,7 @@ 
$result_sectioning{'encoding_index_latin1_enable_encoding'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3559,8 +3554,7 @@ $result_nodes{'encoding_index_latin1_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_latin1_enable_encoding'} = {
@@ -3569,8 +3563,7 @@ $result_menus{'encoding_index_latin1_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_latin1_enable_encoding'} = [];
diff --git a/tp/t/results/indices/encoding_index_utf8.pl 
b/tp/t/results/indices/encoding_index_utf8.pl
index dc4b5fe8e6..a133ae6e6d 100644
--- a/tp/t/results/indices/encoding_index_utf8.pl
+++ b/tp/t/results/indices/encoding_index_utf8.pl
@@ -137,8 +137,7 @@ $result_trees{'encoding_index_utf8'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2952,10 +2951,7 @@ $result_trees{'encoding_index_utf8'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3529,8 +3525,7 @@ $result_sectioning{'encoding_index_utf8'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3559,8 +3554,7 @@ $result_nodes{'encoding_index_utf8'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_utf8'} = {
@@ -3569,8 +3563,7 @@ $result_menus{'encoding_index_utf8'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_utf8'} = [];
diff --git a/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl 
b/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl
index da5975f3d2..df8afbab9f 100644
--- a/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl
+++ b/tp/t/results/indices/encoding_index_utf8_enable_encoding.pl
@@ -137,8 +137,7 @@ $result_trees{'encoding_index_utf8_enable_encoding'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2952,10 +2951,7 @@ $result_trees{'encoding_index_utf8_enable_encoding'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3529,8 +3525,7 @@ $result_sectioning{'encoding_index_utf8_enable_encoding'} 
= {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -3559,8 +3554,7 @@ $result_nodes{'encoding_index_utf8_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_index_utf8_enable_encoding'} = {
@@ -3569,8 +3563,7 @@ $result_menus{'encoding_index_utf8_enable_encoding'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_index_utf8_enable_encoding'} = [];
diff --git a/tp/t/results/indices/explicit_sort_key.pl 
b/tp/t/results/indices/explicit_sort_key.pl
index 3e9f31cb23..81a6ce75da 100644
--- a/tp/t/results/indices/explicit_sort_key.pl
+++ b/tp/t/results/indices/explicit_sort_key.pl
@@ -52,8 +52,7 @@ $result_trees{'explicit_sort_key'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -668,10 +667,7 @@ $result_trees{'explicit_sort_key'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -815,8 +811,7 @@ $result_sectioning{'explicit_sort_key'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -842,8 +837,7 @@ $result_nodes{'explicit_sort_key'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'explicit_sort_key'} = {
@@ -852,8 +846,7 @@ $result_menus{'explicit_sort_key'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'explicit_sort_key'} = [
diff --git a/tp/t/results/indices/ftable_vtable.pl 
b/tp/t/results/indices/ftable_vtable.pl
index 30dcad1580..8e9779bd15 100644
--- a/tp/t/results/indices/ftable_vtable.pl
+++ b/tp/t/results/indices/ftable_vtable.pl
@@ -676,8 +676,7 @@ $result_trees{'ftable_vtable'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -832,8 +831,7 @@ $result_nodes{'ftable_vtable'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'ftable_vtable'} = {
@@ -842,8 +840,7 @@ $result_menus{'ftable_vtable'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'ftable_vtable'} = [];
diff --git a/tp/t/results/indices/image_lines_count.pl 
b/tp/t/results/indices/image_lines_count.pl
index c758a76caf..e085a779b6 100644
--- a/tp/t/results/indices/image_lines_count.pl
+++ b/tp/t/results/indices/image_lines_count.pl
@@ -173,8 +173,7 @@ $result_trees{'image_lines_count'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -225,8 +224,7 @@ $result_nodes{'image_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_lines_count'} = {
@@ -235,8 +233,7 @@ $result_menus{'image_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_lines_count'} = [];
diff --git a/tp/t/results/indices/image_text_lines_count.pl 
b/tp/t/results/indices/image_text_lines_count.pl
index f1f6cb02ee..d4dd52d273 100644
--- a/tp/t/results/indices/image_text_lines_count.pl
+++ b/tp/t/results/indices/image_text_lines_count.pl
@@ -173,8 +173,7 @@ $result_trees{'image_text_lines_count'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -225,8 +224,7 @@ $result_nodes{'image_text_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_text_lines_count'} = {
@@ -235,8 +233,7 @@ $result_menus{'image_text_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_text_lines_count'} = [];
diff --git a/tp/t/results/indices/index_entries_locations.pl 
b/tp/t/results/indices/index_entries_locations.pl
index 91f8e502ad..ec0741808a 100644
--- a/tp/t/results/indices/index_entries_locations.pl
+++ b/tp/t/results/indices/index_entries_locations.pl
@@ -357,8 +357,7 @@ $result_trees{'index_entries_locations'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -465,8 +464,7 @@ $result_nodes{'index_entries_locations'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'index_entries_locations'} = {
@@ -475,8 +473,7 @@ $result_menus{'index_entries_locations'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'index_entries_locations'} = [];
diff --git a/tp/t/results/indices/index_entry_before_first_node.pl 
b/tp/t/results/indices/index_entry_before_first_node.pl
index 2c72d27a52..6481b94242 100644
Binary files a/tp/t/results/indices/index_entry_before_first_node.pl and 
b/tp/t/results/indices/index_entry_before_first_node.pl differ
diff --git a/tp/t/results/indices/index_entry_before_node.pl 
b/tp/t/results/indices/index_entry_before_node.pl
index 1434515430..62b5a56b5f 100644
--- a/tp/t/results/indices/index_entry_before_node.pl
+++ b/tp/t/results/indices/index_entry_before_node.pl
@@ -231,8 +231,7 @@ $result_trees{'index_entry_before_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -382,8 +381,7 @@ $result_trees{'index_entry_before_node'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -501,8 +499,7 @@ $result_trees{'index_entry_before_node'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/index_entry_in_footnote.pl 
b/tp/t/results/indices/index_entry_in_footnote.pl
index ed0d7dd84d..59cd056117 100644
--- a/tp/t/results/indices/index_entry_in_footnote.pl
+++ b/tp/t/results/indices/index_entry_in_footnote.pl
@@ -181,8 +181,7 @@ $result_trees{'index_entry_in_footnote'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -234,8 +233,7 @@ $result_nodes{'index_entry_in_footnote'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'index_entry_in_footnote'} = {
@@ -244,8 +242,7 @@ $result_menus{'index_entry_in_footnote'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'index_entry_in_footnote'} = [];
diff --git a/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl 
b/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
index 9b2f198a22..b84f9bed8a 100644
--- a/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
+++ b/tp/t/results/indices/index_entry_in_footnote_different_node_end.pl
@@ -346,8 +346,7 @@ $result_trees{'index_entry_in_footnote_different_node_end'} 
= {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -427,8 +426,7 @@ $result_trees{'index_entry_in_footnote_different_node_end'} 
= {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/index_entry_in_footnote_separate.pl 
b/tp/t/results/indices/index_entry_in_footnote_separate.pl
index fe8dd0a8e1..590ca57263 100644
--- a/tp/t/results/indices/index_entry_in_footnote_separate.pl
+++ b/tp/t/results/indices/index_entry_in_footnote_separate.pl
@@ -378,8 +378,7 @@ $result_trees{'index_entry_in_footnote_separate'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -459,8 +458,7 @@ $result_trees{'index_entry_in_footnote_separate'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/print_merged_index.pl 
b/tp/t/results/indices/print_merged_index.pl
index ad89a2e818..dd70c95ae2 100644
--- a/tp/t/results/indices/print_merged_index.pl
+++ b/tp/t/results/indices/print_merged_index.pl
@@ -113,8 +113,7 @@ $result_trees{'print_merged_index'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/printindex_index_entry_in_copying.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying.pl
index ee901a25d1..5ccbdf757c 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying.pl
@@ -624,8 +624,7 @@ $result_trees{'printindex_index_entry_in_copying'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -811,10 +810,7 @@ $result_trees{'printindex_index_entry_in_copying'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -856,8 +852,7 @@ $result_trees{'printindex_index_entry_in_copying'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -953,11 +948,7 @@ $result_trees{'printindex_index_entry_in_copying'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
index 623e73db9a..5026c557c7 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying_in_footnote.pl
@@ -255,8 +255,7 @@ 
$result_trees{'printindex_index_entry_in_copying_in_footnote'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -442,10 +441,7 @@ 
$result_trees{'printindex_index_entry_in_copying_in_footnote'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -486,8 +482,7 @@ 
$result_trees{'printindex_index_entry_in_copying_in_footnote'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -546,11 +541,7 @@ 
$result_trees{'printindex_index_entry_in_copying_in_footnote'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl 
b/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
index d52db726cf..9ba7ee4623 100644
--- a/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
+++ b/tp/t/results/indices/printindex_index_entry_in_copying_no_insertcopying.pl
@@ -624,8 +624,7 @@ 
$result_trees{'printindex_index_entry_in_copying_no_insertcopying'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -794,10 +793,7 @@ 
$result_trees{'printindex_index_entry_in_copying_no_insertcopying'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -839,8 +835,7 @@ 
$result_trees{'printindex_index_entry_in_copying_no_insertcopying'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -919,11 +914,7 @@ 
$result_trees{'printindex_index_entry_in_copying_no_insertcopying'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/printindex_with_space_before.pl 
b/tp/t/results/indices/printindex_with_space_before.pl
index 84a2336a9f..cc1a42e50b 100644
Binary files a/tp/t/results/indices/printindex_with_space_before.pl and 
b/tp/t/results/indices/printindex_with_space_before.pl differ
diff --git a/tp/t/results/indices/same_index_entry_merged_indices.pl 
b/tp/t/results/indices/same_index_entry_merged_indices.pl
index a4c07c50d3..bedbc8539d 100644
--- a/tp/t/results/indices/same_index_entry_merged_indices.pl
+++ b/tp/t/results/indices/same_index_entry_merged_indices.pl
@@ -91,8 +91,7 @@ $result_trees{'same_index_entry_merged_indices'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -488,10 +487,7 @@ $result_trees{'same_index_entry_merged_indices'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -607,8 +603,7 @@ $result_sectioning{'same_index_entry_merged_indices'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -634,8 +629,7 @@ $result_nodes{'same_index_entry_merged_indices'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'same_index_entry_merged_indices'} = {
@@ -644,8 +638,7 @@ $result_menus{'same_index_entry_merged_indices'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'same_index_entry_merged_indices'} = [];
diff --git a/tp/t/results/indices/seealso_duplicate.pl 
b/tp/t/results/indices/seealso_duplicate.pl
index 90318e6550..e32ad11723 100644
--- a/tp/t/results/indices/seealso_duplicate.pl
+++ b/tp/t/results/indices/seealso_duplicate.pl
@@ -322,8 +322,7 @@ $result_trees{'seealso_duplicate'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -393,8 +392,7 @@ $result_nodes{'seealso_duplicate'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'seealso_duplicate'} = {
@@ -403,8 +401,7 @@ $result_menus{'seealso_duplicate'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'seealso_duplicate'} = [];
diff --git a/tp/t/results/indices/seeentry.pl b/tp/t/results/indices/seeentry.pl
index f837c1ec51..9eabefc99a 100644
--- a/tp/t/results/indices/seeentry.pl
+++ b/tp/t/results/indices/seeentry.pl
@@ -87,8 +87,7 @@ $result_trees{'seeentry'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -117,10 +116,7 @@ $result_trees{'seeentry'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,8 +158,7 @@ $result_trees{'seeentry'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -545,11 +540,7 @@ $result_trees{'seeentry'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/subentries.pl 
b/tp/t/results/indices/subentries.pl
index 0d77b39cf1..fd48dbe419 100644
--- a/tp/t/results/indices/subentries.pl
+++ b/tp/t/results/indices/subentries.pl
@@ -87,8 +87,7 @@ $result_trees{'subentries'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -117,10 +116,7 @@ $result_trees{'subentries'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,8 +158,7 @@ $result_trees{'subentries'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -949,11 +944,7 @@ $result_trees{'subentries'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/subentry_and_sortas.pl 
b/tp/t/results/indices/subentry_and_sortas.pl
index fd4dcba347..daac29604a 100644
--- a/tp/t/results/indices/subentry_and_sortas.pl
+++ b/tp/t/results/indices/subentry_and_sortas.pl
@@ -87,8 +87,7 @@ $result_trees{'subentry_and_sortas'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -117,10 +116,7 @@ $result_trees{'subentry_and_sortas'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,8 +158,7 @@ $result_trees{'subentry_and_sortas'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -527,11 +522,7 @@ $result_trees{'subentry_and_sortas'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/syncode_index_print_both.pl 
b/tp/t/results/indices/syncode_index_print_both.pl
index ab95d6d257..4f0a9beb44 100644
--- a/tp/t/results/indices/syncode_index_print_both.pl
+++ b/tp/t/results/indices/syncode_index_print_both.pl
@@ -125,8 +125,7 @@ $result_trees{'syncode_index_print_both'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,10 +161,7 @@ $result_trees{'syncode_index_print_both'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +203,7 @@ $result_trees{'syncode_index_print_both'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -446,11 +441,7 @@ $result_trees{'syncode_index_print_both'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/indices/syncodeindex_to_plain.pl 
b/tp/t/results/indices/syncodeindex_to_plain.pl
index edf74d7417..fcf500f7c2 100644
--- a/tp/t/results/indices/syncodeindex_to_plain.pl
+++ b/tp/t/results/indices/syncodeindex_to_plain.pl
@@ -317,8 +317,7 @@ $result_trees{'syncodeindex_to_plain'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -398,8 +397,7 @@ $result_nodes{'syncodeindex_to_plain'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'syncodeindex_to_plain'} = {
@@ -408,8 +406,7 @@ $result_menus{'syncodeindex_to_plain'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'syncodeindex_to_plain'} = [];
diff --git a/tp/t/results/indices/transparent_sort_chars.pl 
b/tp/t/results/indices/transparent_sort_chars.pl
index 83a05ee5aa..8b4b1f6356 100644
--- a/tp/t/results/indices/transparent_sort_chars.pl
+++ b/tp/t/results/indices/transparent_sort_chars.pl
@@ -83,8 +83,7 @@ $result_trees{'transparent_sort_chars'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -323,10 +322,7 @@ $result_trees{'transparent_sort_chars'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -407,8 +403,7 @@ $result_sectioning{'transparent_sort_chars'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -434,8 +429,7 @@ $result_nodes{'transparent_sort_chars'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'transparent_sort_chars'} = {
@@ -444,8 +438,7 @@ $result_menus{'transparent_sort_chars'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'transparent_sort_chars'} = [];
diff --git a/tp/t/results/indices/w_lines_count.pl 
b/tp/t/results/indices/w_lines_count.pl
index bddcc1b780..34a510267e 100644
--- a/tp/t/results/indices/w_lines_count.pl
+++ b/tp/t/results/indices/w_lines_count.pl
@@ -52,8 +52,7 @@ $result_trees{'w_lines_count'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -281,10 +280,7 @@ $result_trees{'w_lines_count'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -362,8 +358,7 @@ $result_sectioning{'w_lines_count'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -389,8 +384,7 @@ $result_nodes{'w_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'w_lines_count'} = {
@@ -399,8 +393,7 @@ $result_menus{'w_lines_count'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'w_lines_count'} = [];
diff --git a/tp/t/results/info_tests/anchor_and_spaces.pl 
b/tp/t/results/info_tests/anchor_and_spaces.pl
index 9f28fa8558..589a437c90 100644
--- a/tp/t/results/info_tests/anchor_and_spaces.pl
+++ b/tp/t/results/info_tests/anchor_and_spaces.pl
@@ -51,8 +51,7 @@ $result_trees{'anchor_and_spaces'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -214,10 +213,7 @@ $result_trees{'anchor_and_spaces'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -283,8 +279,7 @@ $result_sectioning{'anchor_and_spaces'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -312,8 +307,7 @@ $result_nodes{'anchor_and_spaces'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_and_spaces'} = {
@@ -321,8 +315,7 @@ $result_menus{'anchor_and_spaces'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_and_spaces'} = [];
diff --git a/tp/t/results/info_tests/anchor_in_command.pl 
b/tp/t/results/info_tests/anchor_in_command.pl
index f7642b630b..6207f5423e 100644
--- a/tp/t/results/info_tests/anchor_in_command.pl
+++ b/tp/t/results/info_tests/anchor_in_command.pl
@@ -211,8 +211,7 @@ $result_trees{'anchor_in_command'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -265,8 +264,7 @@ $result_nodes{'anchor_in_command'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_command'} = {
@@ -274,8 +272,7 @@ $result_menus{'anchor_in_command'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_command'} = [];
diff --git a/tp/t/results/info_tests/before_node_and_section.pl 
b/tp/t/results/info_tests/before_node_and_section.pl
index 6dba07e7de..7af02b296b 100644
--- a/tp/t/results/info_tests/before_node_and_section.pl
+++ b/tp/t/results/info_tests/before_node_and_section.pl
@@ -75,8 +75,7 @@ $result_trees{'before_node_and_section'} = {
                     'line_nr' => 11,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -597,10 +596,7 @@ $result_trees{'before_node_and_section'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -642,8 +638,7 @@ $result_trees{'before_node_and_section'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -716,11 +711,7 @@ $result_trees{'before_node_and_section'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/colon_in_index_entry.pl 
b/tp/t/results/info_tests/colon_in_index_entry.pl
index 50570044fa..8b28c4bc16 100644
--- a/tp/t/results/info_tests/colon_in_index_entry.pl
+++ b/tp/t/results/info_tests/colon_in_index_entry.pl
@@ -618,8 +618,7 @@ $result_trees{'colon_in_index_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -743,8 +742,7 @@ $result_nodes{'colon_in_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'colon_in_index_entry'} = {
@@ -753,8 +751,7 @@ $result_menus{'colon_in_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'colon_in_index_entry'} = [];
diff --git a/tp/t/results/info_tests/def_in_copying.pl 
b/tp/t/results/info_tests/def_in_copying.pl
index 1b61c6a8b8..aaa6dc7c4d 100644
--- a/tp/t/results/info_tests/def_in_copying.pl
+++ b/tp/t/results/info_tests/def_in_copying.pl
@@ -116,8 +116,7 @@ $result_trees{'def_in_copying'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -747,10 +746,7 @@ $result_trees{'def_in_copying'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -916,8 +912,7 @@ $result_sectioning{'def_in_copying'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -946,8 +941,7 @@ $result_nodes{'def_in_copying'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'def_in_copying'} = {
@@ -956,8 +950,7 @@ $result_menus{'def_in_copying'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'def_in_copying'} = [];
diff --git a/tp/t/results/info_tests/direntry_dircategory_and_commands.pl 
b/tp/t/results/info_tests/direntry_dircategory_and_commands.pl
index 92d033cc5a..cd476ac178 100644
--- a/tp/t/results/info_tests/direntry_dircategory_and_commands.pl
+++ b/tp/t/results/info_tests/direntry_dircategory_and_commands.pl
@@ -455,8 +455,7 @@ $result_trees{'direntry_dircategory_and_commands'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -503,10 +502,7 @@ $result_trees{'direntry_dircategory_and_commands'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -635,8 +631,7 @@ $result_sectioning{'direntry_dircategory_and_commands'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -664,8 +659,7 @@ $result_nodes{'direntry_dircategory_and_commands'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'direntry_dircategory_and_commands'} = {
@@ -673,8 +667,7 @@ $result_menus{'direntry_dircategory_and_commands'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'direntry_dircategory_and_commands'} = [];
diff --git a/tp/t/results/info_tests/encoding_us_ascii.pl 
b/tp/t/results/info_tests/encoding_us_ascii.pl
index 37b75b95cd..7730a2846a 100644
--- a/tp/t/results/info_tests/encoding_us_ascii.pl
+++ b/tp/t/results/info_tests/encoding_us_ascii.pl
@@ -102,8 +102,7 @@ $result_trees{'encoding_us_ascii'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -139,8 +138,7 @@ $result_nodes{'encoding_us_ascii'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'encoding_us_ascii'} = {
@@ -148,8 +146,7 @@ $result_menus{'encoding_us_ascii'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'encoding_us_ascii'} = [];
diff --git a/tp/t/results/info_tests/error_in_footnote.pl 
b/tp/t/results/info_tests/error_in_footnote.pl
index 3a3725b977..4409aabc2a 100644
--- a/tp/t/results/info_tests/error_in_footnote.pl
+++ b/tp/t/results/info_tests/error_in_footnote.pl
@@ -303,10 +303,7 @@ $result_trees{'error_in_footnote'} = {
             'line_nr' => 4,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -409,8 +406,7 @@ $result_trees{'error_in_footnote'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -509,8 +505,7 @@ $result_nodes{'error_in_footnote'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'error_in_footnote'} = {
@@ -518,8 +513,7 @@ $result_menus{'error_in_footnote'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'error_in_footnote'} = [
diff --git a/tp/t/results/info_tests/file_only_png.pl 
b/tp/t/results/info_tests/file_only_png.pl
index d8c8a03702..53d0c473ee 100644
Binary files a/tp/t/results/info_tests/file_only_png.pl and 
b/tp/t/results/info_tests/file_only_png.pl differ
diff --git a/tp/t/results/info_tests/float_long_captions.pl 
b/tp/t/results/info_tests/float_long_captions.pl
index b4b675b734..d4d885e854 100644
--- a/tp/t/results/info_tests/float_long_captions.pl
+++ b/tp/t/results/info_tests/float_long_captions.pl
@@ -154,10 +154,7 @@ $result_trees{'float_long_captions'} = {
             'line_nr' => 3,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -282,10 +279,7 @@ $result_trees{'float_long_captions'} = {
             'line_nr' => 7,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 2
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -348,8 +342,7 @@ $result_trees{'float_long_captions'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -432,8 +425,7 @@ $result_nodes{'float_long_captions'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'float_long_captions'} = {
@@ -441,8 +433,7 @@ $result_menus{'float_long_captions'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'float_long_captions'} = [];
diff --git a/tp/t/results/info_tests/image_and_punctuation.pl 
b/tp/t/results/info_tests/image_and_punctuation.pl
index c5a371f235..fe233a0496 100644
--- a/tp/t/results/info_tests/image_and_punctuation.pl
+++ b/tp/t/results/info_tests/image_and_punctuation.pl
@@ -330,8 +330,7 @@ $result_trees{'image_and_punctuation'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -424,8 +423,7 @@ $result_nodes{'image_and_punctuation'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_and_punctuation'} = {
@@ -433,8 +431,7 @@ $result_menus{'image_and_punctuation'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_and_punctuation'} = [];
diff --git a/tp/t/results/info_tests/image_and_spaces_formatting.pl 
b/tp/t/results/info_tests/image_and_spaces_formatting.pl
index 0707259447..9a9d4ace99 100644
--- a/tp/t/results/info_tests/image_and_spaces_formatting.pl
+++ b/tp/t/results/info_tests/image_and_spaces_formatting.pl
@@ -875,8 +875,7 @@ $result_trees{'image_and_spaces_formatting'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1042,8 +1041,7 @@ $result_nodes{'image_and_spaces_formatting'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_and_spaces_formatting'} = {
@@ -1051,8 +1049,7 @@ $result_menus{'image_and_spaces_formatting'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_and_spaces_formatting'} = [];
diff --git a/tp/t/results/info_tests/image_extension.pl 
b/tp/t/results/info_tests/image_extension.pl
index cb020e7955..f11a730027 100644
--- a/tp/t/results/info_tests/image_extension.pl
+++ b/tp/t/results/info_tests/image_extension.pl
@@ -223,8 +223,7 @@ $result_trees{'image_extension'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -283,8 +282,7 @@ $result_nodes{'image_extension'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_extension'} = {
@@ -292,8 +290,7 @@ $result_menus{'image_extension'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_extension'} = [];
diff --git a/tp/t/results/info_tests/image_in_paragraph.pl 
b/tp/t/results/info_tests/image_in_paragraph.pl
index d2696f4a48..1300470b54 100644
Binary files a/tp/t/results/info_tests/image_in_paragraph.pl and 
b/tp/t/results/info_tests/image_in_paragraph.pl differ
diff --git a/tp/t/results/info_tests/image_not_found.pl 
b/tp/t/results/info_tests/image_not_found.pl
index 04765176cc..2d8ae8807f 100644
--- a/tp/t/results/info_tests/image_not_found.pl
+++ b/tp/t/results/info_tests/image_not_found.pl
@@ -82,8 +82,7 @@ $result_trees{'image_not_found'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -112,8 +111,7 @@ $result_nodes{'image_not_found'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'image_not_found'} = {
@@ -121,8 +119,7 @@ $result_menus{'image_not_found'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'image_not_found'} = [];
diff --git a/tp/t/results/info_tests/image_quotes.pl 
b/tp/t/results/info_tests/image_quotes.pl
index c76a0c7221..5fb4dae2de 100644
Binary files a/tp/t/results/info_tests/image_quotes.pl and 
b/tp/t/results/info_tests/image_quotes.pl differ
diff --git a/tp/t/results/info_tests/index_entry_at_end_node.pl 
b/tp/t/results/info_tests/index_entry_at_end_node.pl
index b3d1c9a179..c74e3540b7 100644
--- a/tp/t/results/info_tests/index_entry_at_end_node.pl
+++ b/tp/t/results/info_tests/index_entry_at_end_node.pl
@@ -51,8 +51,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -267,10 +266,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -311,8 +307,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -407,11 +402,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -453,8 +444,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -521,11 +511,7 @@ $result_trees{'index_entry_at_end_node'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/invalid_node_name_no_warning.pl 
b/tp/t/results/info_tests/invalid_node_name_no_warning.pl
index 092608d7cc..9275f8da24 100644
--- a/tp/t/results/info_tests/invalid_node_name_no_warning.pl
+++ b/tp/t/results/info_tests/invalid_node_name_no_warning.pl
@@ -400,8 +400,7 @@ $result_trees{'invalid_node_name_no_warning'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -467,8 +466,7 @@ $result_trees{'invalid_node_name_no_warning'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -541,8 +539,7 @@ $result_trees{'invalid_node_name_no_warning'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -824,8 +821,7 @@ $result_trees{'invalid_node_name_no_warning'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/invalid_node_name_warning.pl 
b/tp/t/results/info_tests/invalid_node_name_warning.pl
index df98ecb8f6..fbb3575e81 100644
--- a/tp/t/results/info_tests/invalid_node_name_warning.pl
+++ b/tp/t/results/info_tests/invalid_node_name_warning.pl
@@ -400,8 +400,7 @@ $result_trees{'invalid_node_name_warning'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -467,8 +466,7 @@ $result_trees{'invalid_node_name_warning'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -541,8 +539,7 @@ $result_trees{'invalid_node_name_warning'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -824,8 +821,7 @@ $result_trees{'invalid_node_name_warning'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/known_encoding.pl 
b/tp/t/results/info_tests/known_encoding.pl
index 117340bd22..3f5eb5c2a7 100644
--- a/tp/t/results/info_tests/known_encoding.pl
+++ b/tp/t/results/info_tests/known_encoding.pl
@@ -102,8 +102,7 @@ $result_trees{'known_encoding'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -139,8 +138,7 @@ $result_nodes{'known_encoding'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'known_encoding'} = {
@@ -148,8 +146,7 @@ $result_menus{'known_encoding'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'known_encoding'} = [
diff --git a/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl 
b/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl
index f4343737f5..74d755245c 100644
--- a/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl
+++ b/tp/t/results/info_tests/multitable_anchor_and_index_entry.pl
@@ -980,8 +980,7 @@ $result_trees{'multitable_anchor_and_index_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1184,8 +1183,7 @@ $result_nodes{'multitable_anchor_and_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'multitable_anchor_and_index_entry'} = {
@@ -1194,8 +1192,7 @@ $result_menus{'multitable_anchor_and_index_entry'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'multitable_anchor_and_index_entry'} = [];
diff --git a/tp/t/results/info_tests/nested_footnotes_separate.pl 
b/tp/t/results/info_tests/nested_footnotes_separate.pl
index ff7197eff3..6606e89175 100644
--- a/tp/t/results/info_tests/nested_footnotes_separate.pl
+++ b/tp/t/results/info_tests/nested_footnotes_separate.pl
@@ -183,8 +183,7 @@ $result_trees{'nested_footnotes_separate'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -234,8 +233,7 @@ $result_nodes{'nested_footnotes_separate'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'nested_footnotes_separate'} = {
@@ -243,8 +241,7 @@ $result_menus{'nested_footnotes_separate'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'nested_footnotes_separate'} = [];
diff --git a/tp/t/results/info_tests/nested_multitable_anchor_index.pl 
b/tp/t/results/info_tests/nested_multitable_anchor_index.pl
index 15b58d911f..cd503fbfed 100644
--- a/tp/t/results/info_tests/nested_multitable_anchor_index.pl
+++ b/tp/t/results/info_tests/nested_multitable_anchor_index.pl
@@ -715,8 +715,7 @@ $result_trees{'nested_multitable_anchor_index'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -855,8 +854,7 @@ $result_nodes{'nested_multitable_anchor_index'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'nested_multitable_anchor_index'} = {
@@ -865,8 +863,7 @@ $result_menus{'nested_multitable_anchor_index'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'nested_multitable_anchor_index'} = [];
diff --git a/tp/t/results/info_tests/no_node_but_top.pl 
b/tp/t/results/info_tests/no_node_but_top.pl
index 3182f33340..d5d079d1f5 100644
--- a/tp/t/results/info_tests/no_node_but_top.pl
+++ b/tp/t/results/info_tests/no_node_but_top.pl
@@ -39,10 +39,7 @@ $result_trees{'no_node_but_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/no_top_node.pl 
b/tp/t/results/info_tests/no_top_node.pl
index 522b69bfe9..a4993cf068 100644
--- a/tp/t/results/info_tests/no_top_node.pl
+++ b/tp/t/results/info_tests/no_top_node.pl
@@ -51,8 +51,7 @@ $result_trees{'no_top_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -75,8 +74,7 @@ $result_nodes{'no_top_node'} = {
   'extra' => {
     'normalized' => 'node-Top-not-Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'no_top_node'} = {
@@ -84,8 +82,7 @@ $result_menus{'no_top_node'} = {
   'extra' => {
     'normalized' => 'node-Top-not-Top-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'no_top_node'} = [];
diff --git a/tp/t/results/info_tests/note_in_strong.pl 
b/tp/t/results/info_tests/note_in_strong.pl
index d64a905c74..9a5f504ba4 100644
--- a/tp/t/results/info_tests/note_in_strong.pl
+++ b/tp/t/results/info_tests/note_in_strong.pl
@@ -322,8 +322,7 @@ $result_trees{'note_in_strong'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -418,8 +417,7 @@ $result_nodes{'note_in_strong'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'note_in_strong'} = {
@@ -427,8 +425,7 @@ $result_menus{'note_in_strong'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'note_in_strong'} = [];
diff --git a/tp/t/results/info_tests/note_in_strong_end_of_line.pl 
b/tp/t/results/info_tests/note_in_strong_end_of_line.pl
index b8e689977c..940e34930c 100644
--- a/tp/t/results/info_tests/note_in_strong_end_of_line.pl
+++ b/tp/t/results/info_tests/note_in_strong_end_of_line.pl
@@ -143,8 +143,7 @@ $result_trees{'note_in_strong_end_of_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -192,8 +191,7 @@ $result_nodes{'note_in_strong_end_of_line'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'note_in_strong_end_of_line'} = {
@@ -201,8 +199,7 @@ $result_menus{'note_in_strong_end_of_line'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'note_in_strong_end_of_line'} = [];
diff --git a/tp/t/results/info_tests/novalidate_empty_refs.pl 
b/tp/t/results/info_tests/novalidate_empty_refs.pl
index a1ed56a65f..0d10462935 100644
--- a/tp/t/results/info_tests/novalidate_empty_refs.pl
+++ b/tp/t/results/info_tests/novalidate_empty_refs.pl
@@ -188,8 +188,7 @@ $result_trees{'novalidate_empty_refs'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -387,8 +386,7 @@ $result_nodes{'novalidate_empty_refs'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'novalidate_empty_refs'} = {
@@ -396,8 +394,7 @@ $result_menus{'novalidate_empty_refs'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'novalidate_empty_refs'} = [
diff --git a/tp/t/results/info_tests/paragraphindent_and_preamble.pl 
b/tp/t/results/info_tests/paragraphindent_and_preamble.pl
index 2f10293e0e..2ad4173bc0 100644
--- a/tp/t/results/info_tests/paragraphindent_and_preamble.pl
+++ b/tp/t/results/info_tests/paragraphindent_and_preamble.pl
@@ -139,8 +139,7 @@ $result_trees{'paragraphindent_and_preamble'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -272,10 +271,7 @@ $result_trees{'paragraphindent_and_preamble'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -379,8 +375,7 @@ $result_sectioning{'paragraphindent_and_preamble'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -408,8 +403,7 @@ $result_nodes{'paragraphindent_and_preamble'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'paragraphindent_and_preamble'} = {
@@ -417,8 +411,7 @@ $result_menus{'paragraphindent_and_preamble'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'paragraphindent_and_preamble'} = [];
diff --git a/tp/t/results/info_tests/pxref_test.pl 
b/tp/t/results/info_tests/pxref_test.pl
index ff327355b9..ec211efa7f 100644
--- a/tp/t/results/info_tests/pxref_test.pl
+++ b/tp/t/results/info_tests/pxref_test.pl
@@ -304,8 +304,7 @@ $result_trees{'pxref_test'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -381,8 +380,7 @@ $result_nodes{'pxref_test'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'pxref_test'} = {
@@ -390,8 +388,7 @@ $result_menus{'pxref_test'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'pxref_test'} = [];
diff --git a/tp/t/results/info_tests/ref_tests.pl 
b/tp/t/results/info_tests/ref_tests.pl
index a56062db78..537b5a854c 100644
--- a/tp/t/results/info_tests/ref_tests.pl
+++ b/tp/t/results/info_tests/ref_tests.pl
@@ -526,8 +526,7 @@ $result_trees{'ref_tests'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -656,8 +655,7 @@ $result_nodes{'ref_tests'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'ref_tests'} = {
@@ -665,8 +663,7 @@ $result_menus{'ref_tests'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'ref_tests'} = [];
diff --git a/tp/t/results/info_tests/space_at_menu_end.pl 
b/tp/t/results/info_tests/space_at_menu_end.pl
index 4f5c7f76fa..77e89f691f 100644
--- a/tp/t/results/info_tests/space_at_menu_end.pl
+++ b/tp/t/results/info_tests/space_at_menu_end.pl
@@ -210,8 +210,7 @@ $result_trees{'space_at_menu_end'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/space_in_menu.pl 
b/tp/t/results/info_tests/space_in_menu.pl
index 4406edd254..d4ae6276a0 100644
--- a/tp/t/results/info_tests/space_in_menu.pl
+++ b/tp/t/results/info_tests/space_in_menu.pl
@@ -51,8 +51,7 @@ $result_trees{'space_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -221,10 +220,7 @@ $result_trees{'space_in_menu'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -265,8 +261,7 @@ $result_trees{'space_in_menu'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -313,11 +308,7 @@ $result_trees{'space_in_menu'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/space_in_setfilename.pl 
b/tp/t/results/info_tests/space_in_setfilename.pl
index a82cf29d02..929f8ba7ab 100644
--- a/tp/t/results/info_tests/space_in_setfilename.pl
+++ b/tp/t/results/info_tests/space_in_setfilename.pl
@@ -117,8 +117,7 @@ $result_trees{'space_in_setfilename'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -152,8 +151,7 @@ $result_nodes{'space_in_setfilename'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'space_in_setfilename'} = {
@@ -161,8 +159,7 @@ $result_menus{'space_in_setfilename'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'space_in_setfilename'} = [
diff --git a/tp/t/results/info_tests/split_no_copying.pl 
b/tp/t/results/info_tests/split_no_copying.pl
index ab1bb79145..6d4a3caf9e 100644
--- a/tp/t/results/info_tests/split_no_copying.pl
+++ b/tp/t/results/info_tests/split_no_copying.pl
@@ -98,8 +98,7 @@ $result_trees{'split_no_copying'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -268,10 +267,7 @@ $result_trees{'split_no_copying'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -312,8 +308,7 @@ $result_trees{'split_no_copying'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -366,11 +361,7 @@ $result_trees{'split_no_copying'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/info_tests/split_test_before_first_node.pl 
b/tp/t/results/info_tests/split_test_before_first_node.pl
index 25c8f02565..28e88c026a 100644
--- a/tp/t/results/info_tests/split_test_before_first_node.pl
+++ b/tp/t/results/info_tests/split_test_before_first_node.pl
@@ -104,8 +104,7 @@ $result_trees{'split_test_before_first_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -274,10 +273,7 @@ $result_trees{'split_test_before_first_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -318,8 +314,7 @@ $result_trees{'split_test_before_first_node'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -372,11 +367,7 @@ $result_trees{'split_test_before_first_node'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/info_tests/split_test_before_first_node_no_empty_line.pl 
b/tp/t/results/info_tests/split_test_before_first_node_no_empty_line.pl
index d5c5daae64..29c64d9a35 100644
--- a/tp/t/results/info_tests/split_test_before_first_node_no_empty_line.pl
+++ b/tp/t/results/info_tests/split_test_before_first_node_no_empty_line.pl
@@ -98,8 +98,7 @@ $result_trees{'split_test_before_first_node_no_empty_line'} = 
{
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -268,10 +267,7 @@ 
$result_trees{'split_test_before_first_node_no_empty_line'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -312,8 +308,7 @@ $result_trees{'split_test_before_first_node_no_empty_line'} 
= {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -366,11 +361,7 @@ 
$result_trees{'split_test_before_first_node_no_empty_line'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/test_index.pl 
b/tp/t/results/info_tests/test_index.pl
index d985cd379a..b2079cb05f 100644
--- a/tp/t/results/info_tests/test_index.pl
+++ b/tp/t/results/info_tests/test_index.pl
@@ -51,8 +51,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -216,8 +215,7 @@ $result_trees{'test_index'} = {
                                 'line_nr' => 205,
                                 'macro' => ''
                               },
-                              'parent' => {},
-                              'structure' => {}
+                              'parent' => {}
                             },
                             'number' => 7
                           },
@@ -259,11 +257,7 @@ $result_trees{'test_index'} = {
                       'line_nr' => 229,
                       'macro' => ''
                     },
-                    'parent' => {},
-                    'structure' => {
-                      'level' => 1,
-                      'number' => 'B'
-                    }
+                    'parent' => {}
                   }
                 },
                 'node_argument' => {
@@ -1212,10 +1206,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1256,8 +1247,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2898,11 +2888,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {
@@ -3140,11 +3126,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 206,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3180,11 +3162,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 219,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3220,11 +3198,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 221,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 'A.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3277,8 +3251,7 @@ $result_trees{'test_index'} = {
             'line_nr' => 225,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3295,11 +3268,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 223,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => 'A.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3335,10 +3304,7 @@ $result_trees{'test_index'} = {
         'line_nr' => 227,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {},
     {
diff --git a/tp/t/results/info_tests/text_before_node.pl 
b/tp/t/results/info_tests/text_before_node.pl
index 36779d1dc2..0e6237b80a 100644
--- a/tp/t/results/info_tests/text_before_node.pl
+++ b/tp/t/results/info_tests/text_before_node.pl
@@ -51,8 +51,7 @@ $result_trees{'text_before_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -215,10 +214,7 @@ $result_trees{'text_before_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -259,8 +255,7 @@ $result_trees{'text_before_node'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +280,7 @@ $result_trees{'text_before_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/top_node_normalization.pl 
b/tp/t/results/info_tests/top_node_normalization.pl
index e4acd49d92..df948395cb 100644
--- a/tp/t/results/info_tests/top_node_normalization.pl
+++ b/tp/t/results/info_tests/top_node_normalization.pl
@@ -251,8 +251,7 @@ $result_trees{'top_node_normalization'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/info_tests/unknown_encoding.pl 
b/tp/t/results/info_tests/unknown_encoding.pl
index 9f52dc5de1..a7e6f0f235 100644
--- a/tp/t/results/info_tests/unknown_encoding.pl
+++ b/tp/t/results/info_tests/unknown_encoding.pl
@@ -100,8 +100,7 @@ $result_trees{'unknown_encoding'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -137,8 +136,7 @@ $result_nodes{'unknown_encoding'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'unknown_encoding'} = {
@@ -146,8 +144,7 @@ $result_menus{'unknown_encoding'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'unknown_encoding'} = [
diff --git a/tp/t/results/info_tests/xref_test.pl 
b/tp/t/results/info_tests/xref_test.pl
index 1c730e831c..70ab5ad37a 100644
--- a/tp/t/results/info_tests/xref_test.pl
+++ b/tp/t/results/info_tests/xref_test.pl
@@ -346,8 +346,7 @@ $result_trees{'xref_test'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -434,8 +433,7 @@ $result_nodes{'xref_test'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'xref_test'} = {
@@ -443,8 +441,7 @@ $result_menus{'xref_test'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'xref_test'} = [];
diff --git a/tp/t/results/invalid_nestings/float_in_style_command.pl 
b/tp/t/results/invalid_nestings/float_in_style_command.pl
index c9a685d61e..51c6b1aaf2 100644
--- a/tp/t/results/invalid_nestings/float_in_style_command.pl
+++ b/tp/t/results/invalid_nestings/float_in_style_command.pl
@@ -166,10 +166,7 @@ $result_trees{'float_in_style_command'} = {
             'line_nr' => 2,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/invalid_nestings/footnote_in_ref.pl 
b/tp/t/results/invalid_nestings/footnote_in_ref.pl
index 77f29f8531..528a89e279 100644
--- a/tp/t/results/invalid_nestings/footnote_in_ref.pl
+++ b/tp/t/results/invalid_nestings/footnote_in_ref.pl
@@ -148,8 +148,7 @@ $result_trees{'footnote_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/ignore_in_xref.pl 
b/tp/t/results/invalid_nestings/ignore_in_xref.pl
index 3a159fed9b..8194f66a0b 100644
--- a/tp/t/results/invalid_nestings/ignore_in_xref.pl
+++ b/tp/t/results/invalid_nestings/ignore_in_xref.pl
@@ -147,8 +147,7 @@ $result_trees{'ignore_in_xref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/in_table.pl 
b/tp/t/results/invalid_nestings/in_table.pl
index 936613b914..dcaf3495e5 100644
--- a/tp/t/results/invalid_nestings/in_table.pl
+++ b/tp/t/results/invalid_nestings/in_table.pl
@@ -1052,8 +1052,7 @@ $result_trees{'in_table'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/menu_in_style_command.pl 
b/tp/t/results/invalid_nestings/menu_in_style_command.pl
index a693297158..1cd50fdf66 100644
--- a/tp/t/results/invalid_nestings/menu_in_style_command.pl
+++ b/tp/t/results/invalid_nestings/menu_in_style_command.pl
@@ -204,8 +204,7 @@ $result_trees{'menu_in_style_command'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/node_in_copying.pl 
b/tp/t/results/invalid_nestings/node_in_copying.pl
index 7bf49af1fe..cf88138a40 100644
--- a/tp/t/results/invalid_nestings/node_in_copying.pl
+++ b/tp/t/results/invalid_nestings/node_in_copying.pl
@@ -79,8 +79,7 @@ $result_trees{'node_in_copying'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/node_in_copying_not_closed.pl 
b/tp/t/results/invalid_nestings/node_in_copying_not_closed.pl
index 9475a44cb6..4b88fc2d6c 100644
--- a/tp/t/results/invalid_nestings/node_in_copying_not_closed.pl
+++ b/tp/t/results/invalid_nestings/node_in_copying_not_closed.pl
@@ -101,8 +101,7 @@ $result_trees{'node_in_copying_not_closed'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -155,10 +154,7 @@ $result_trees{'node_in_copying_not_closed'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/node_on_index_entry_line.pl 
b/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
index b136fddd28..899a6fead7 100644
--- a/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
+++ b/tp/t/results/invalid_nestings/node_on_index_entry_line.pl
@@ -200,8 +200,7 @@ $result_trees{'node_on_index_entry_line'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/on_node_line.pl 
b/tp/t/results/invalid_nestings/on_node_line.pl
index a01b9181a2..d924660f2e 100644
--- a/tp/t/results/invalid_nestings/on_node_line.pl
+++ b/tp/t/results/invalid_nestings/on_node_line.pl
@@ -276,8 +276,7 @@ $result_trees{'on_node_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/on_section_line.pl 
b/tp/t/results/invalid_nestings/on_section_line.pl
index 64598a1660..476590f784 100644
--- a/tp/t/results/invalid_nestings/on_section_line.pl
+++ b/tp/t/results/invalid_nestings/on_section_line.pl
@@ -166,11 +166,7 @@ $result_trees{'on_section_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/on_subheading_line.pl 
b/tp/t/results/invalid_nestings/on_subheading_line.pl
index d952831cf4..f60e3142f2 100644
--- a/tp/t/results/invalid_nestings/on_subheading_line.pl
+++ b/tp/t/results/invalid_nestings/on_subheading_line.pl
@@ -162,8 +162,7 @@ $result_trees{'on_subheading_line'} = {
             'line_nr' => 1,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/invalid_nestings/quotation_in_ref.pl 
b/tp/t/results/invalid_nestings/quotation_in_ref.pl
index a8eb5348a1..ff04725014 100644
--- a/tp/t/results/invalid_nestings/quotation_in_ref.pl
+++ b/tp/t/results/invalid_nestings/quotation_in_ref.pl
@@ -170,8 +170,7 @@ $result_trees{'quotation_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/ref_in_anchor.pl 
b/tp/t/results/invalid_nestings/ref_in_anchor.pl
index 514517c06e..670df56404 100644
--- a/tp/t/results/invalid_nestings/ref_in_anchor.pl
+++ b/tp/t/results/invalid_nestings/ref_in_anchor.pl
@@ -117,8 +117,7 @@ $result_trees{'ref_in_anchor'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/ref_in_ref.pl 
b/tp/t/results/invalid_nestings/ref_in_ref.pl
index 05c34b5d0e..e43be31aa6 100644
--- a/tp/t/results/invalid_nestings/ref_in_ref.pl
+++ b/tp/t/results/invalid_nestings/ref_in_ref.pl
@@ -116,8 +116,7 @@ $result_trees{'ref_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_copying.pl 
b/tp/t/results/invalid_nestings/section_in_copying.pl
index a4e14dcb4c..52059dcdff 100644
--- a/tp/t/results/invalid_nestings/section_in_copying.pl
+++ b/tp/t/results/invalid_nestings/section_in_copying.pl
@@ -83,11 +83,7 @@ $result_trees{'section_in_copying'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_flushright.pl 
b/tp/t/results/invalid_nestings/section_in_flushright.pl
index cedd46c54d..b4842cd535 100644
--- a/tp/t/results/invalid_nestings/section_in_flushright.pl
+++ b/tp/t/results/invalid_nestings/section_in_flushright.pl
@@ -83,11 +83,7 @@ $result_trees{'section_in_flushright'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_footnote.pl 
b/tp/t/results/invalid_nestings/section_in_footnote.pl
index c788c2169f..02b5ee5968 100644
--- a/tp/t/results/invalid_nestings/section_in_footnote.pl
+++ b/tp/t/results/invalid_nestings/section_in_footnote.pl
@@ -84,11 +84,7 @@ $result_trees{'section_in_footnote'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_math.pl 
b/tp/t/results/invalid_nestings/section_in_math.pl
index e59e782fdd..43001ddaa6 100644
--- a/tp/t/results/invalid_nestings/section_in_math.pl
+++ b/tp/t/results/invalid_nestings/section_in_math.pl
@@ -149,11 +149,7 @@ $result_trees{'section_in_math'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -182,11 +178,7 @@ $result_trees{'section_in_math'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_nested_block_commands.pl 
b/tp/t/results/invalid_nestings/section_in_nested_block_commands.pl
index 52fcbe112a..a9a95b28fe 100644
--- a/tp/t/results/invalid_nestings/section_in_nested_block_commands.pl
+++ b/tp/t/results/invalid_nestings/section_in_nested_block_commands.pl
@@ -184,11 +184,7 @@ $result_trees{'section_in_nested_block_commands'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_in_table.pl 
b/tp/t/results/invalid_nestings/section_in_table.pl
index 2c85b8fb92..2e6811cee9 100644
--- a/tp/t/results/invalid_nestings/section_in_table.pl
+++ b/tp/t/results/invalid_nestings/section_in_table.pl
@@ -159,11 +159,7 @@ $result_trees{'section_in_table'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_on_def_line.pl 
b/tp/t/results/invalid_nestings/section_on_def_line.pl
index d1c2805279..0544649ee1 100644
--- a/tp/t/results/invalid_nestings/section_on_def_line.pl
+++ b/tp/t/results/invalid_nestings/section_on_def_line.pl
@@ -103,11 +103,7 @@ $result_trees{'section_on_def_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_on_defx_line.pl 
b/tp/t/results/invalid_nestings/section_on_defx_line.pl
index 5aee9301e6..5a697f1731 100644
--- a/tp/t/results/invalid_nestings/section_on_defx_line.pl
+++ b/tp/t/results/invalid_nestings/section_on_defx_line.pl
@@ -206,11 +206,7 @@ $result_trees{'section_on_defx_line'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/section_on_index_entry_line.pl 
b/tp/t/results/invalid_nestings/section_on_index_entry_line.pl
index c8a3280f8f..f92f172def 100644
--- a/tp/t/results/invalid_nestings/section_on_index_entry_line.pl
+++ b/tp/t/results/invalid_nestings/section_on_index_entry_line.pl
@@ -82,11 +82,7 @@ $result_trees{'section_on_index_entry_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/invalid_nestings/style_not_closed_before_first_node.pl 
b/tp/t/results/invalid_nestings/style_not_closed_before_first_node.pl
index 9744d52b8d..95a6dce379 100644
--- a/tp/t/results/invalid_nestings/style_not_closed_before_first_node.pl
+++ b/tp/t/results/invalid_nestings/style_not_closed_before_first_node.pl
@@ -99,8 +99,7 @@ $result_trees{'style_not_closed_before_first_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/invalid_nestings/style_not_closed_no_newline_root_commands.pl 
b/tp/t/results/invalid_nestings/style_not_closed_no_newline_root_commands.pl
index 46e7f5e839..25faab8427 100644
--- a/tp/t/results/invalid_nestings/style_not_closed_no_newline_root_commands.pl
+++ b/tp/t/results/invalid_nestings/style_not_closed_no_newline_root_commands.pl
@@ -51,8 +51,7 @@ $result_trees{'style_not_closed_no_newline_root_commands'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -233,10 +232,7 @@ $result_trees{'style_not_closed_no_newline_root_commands'} 
= {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -277,8 +273,7 @@ $result_trees{'style_not_closed_no_newline_root_commands'} 
= {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -343,11 +338,7 @@ $result_trees{'style_not_closed_no_newline_root_commands'} 
= {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/invalid_nestings/style_not_closed_root_commands.pl 
b/tp/t/results/invalid_nestings/style_not_closed_root_commands.pl
index 2e272ca208..521a724177 100644
--- a/tp/t/results/invalid_nestings/style_not_closed_root_commands.pl
+++ b/tp/t/results/invalid_nestings/style_not_closed_root_commands.pl
@@ -51,8 +51,7 @@ $result_trees{'style_not_closed_root_commands'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -239,10 +238,7 @@ $result_trees{'style_not_closed_root_commands'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -283,8 +279,7 @@ $result_trees{'style_not_closed_root_commands'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -355,11 +350,7 @@ $result_trees{'style_not_closed_root_commands'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/invalid_nestings/unclosed_verb_on_section_line.pl 
b/tp/t/results/invalid_nestings/unclosed_verb_on_section_line.pl
index d5e83caf68..edf21f1b36 100644
--- a/tp/t/results/invalid_nestings/unclosed_verb_on_section_line.pl
+++ b/tp/t/results/invalid_nestings/unclosed_verb_on_section_line.pl
@@ -74,11 +74,7 @@ $result_trees{'unclosed_verb_on_section_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/invalid_nestings/verbatim_in_ref.pl 
b/tp/t/results/invalid_nestings/verbatim_in_ref.pl
index 603f8acdbc..38596d0e03 100644
--- a/tp/t/results/invalid_nestings/verbatim_in_ref.pl
+++ b/tp/t/results/invalid_nestings/verbatim_in_ref.pl
@@ -143,8 +143,7 @@ $result_trees{'verbatim_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/itemize/inter_item_commands_in_enumerate.pl 
b/tp/t/results/itemize/inter_item_commands_in_enumerate.pl
index 54d977ccc5..01c19e19eb 100644
--- a/tp/t/results/itemize/inter_item_commands_in_enumerate.pl
+++ b/tp/t/results/itemize/inter_item_commands_in_enumerate.pl
@@ -87,8 +87,7 @@ $result_trees{'inter_item_commands_in_enumerate'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'inter_item_commands_in_enumerate'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -168,8 +164,7 @@ $result_trees{'inter_item_commands_in_enumerate'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1121,11 +1116,7 @@ $result_trees{'inter_item_commands_in_enumerate'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/itemize/inter_item_commands_in_itemize.pl 
b/tp/t/results/itemize/inter_item_commands_in_itemize.pl
index 95b04e2adf..5727d661fd 100644
--- a/tp/t/results/itemize/inter_item_commands_in_itemize.pl
+++ b/tp/t/results/itemize/inter_item_commands_in_itemize.pl
@@ -87,8 +87,7 @@ $result_trees{'inter_item_commands_in_itemize'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'inter_item_commands_in_itemize'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -168,8 +164,7 @@ $result_trees{'inter_item_commands_in_itemize'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -758,11 +753,7 @@ $result_trees{'inter_item_commands_in_itemize'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/languages/appendix_translated.pl 
b/tp/t/results/languages/appendix_translated.pl
index d4c69c22e1..565ab9806f 100644
--- a/tp/t/results/languages/appendix_translated.pl
+++ b/tp/t/results/languages/appendix_translated.pl
@@ -87,8 +87,7 @@ $result_trees{'appendix_translated'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'appendix_translated'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -180,11 +176,7 @@ $result_trees{'appendix_translated'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -242,8 +234,7 @@ $result_sectioning{'appendix_translated'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -289,8 +280,7 @@ $result_nodes{'appendix_translated'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'appendix_translated'} = {
@@ -298,8 +288,7 @@ $result_menus{'appendix_translated'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'appendix_translated'} = [];
diff --git a/tp/t/results/languages/command_translated.pl 
b/tp/t/results/languages/command_translated.pl
index 39ce58fd6b..acbfb822fd 100644
--- a/tp/t/results/languages/command_translated.pl
+++ b/tp/t/results/languages/command_translated.pl
@@ -87,8 +87,7 @@ $result_trees{'command_translated'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -169,10 +168,7 @@ $result_trees{'command_translated'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -226,8 +222,7 @@ $result_sectioning{'command_translated'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -255,8 +250,7 @@ $result_nodes{'command_translated'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'command_translated'} = {
@@ -264,8 +258,7 @@ $result_menus{'command_translated'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'command_translated'} = [];
diff --git a/tp/t/results/languages/multiple.pl 
b/tp/t/results/languages/multiple.pl
index c3ae5f9b45..a6f9a60c22 100644
--- a/tp/t/results/languages/multiple.pl
+++ b/tp/t/results/languages/multiple.pl
@@ -808,8 +808,7 @@ $result_trees{'multiple'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -968,8 +967,7 @@ $result_nodes{'multiple'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'multiple'} = {
@@ -978,8 +976,7 @@ $result_menus{'multiple'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'multiple'} = [];
diff --git a/tp/t/results/languages/multiple_lang_chapters.pl 
b/tp/t/results/languages/multiple_lang_chapters.pl
index 39d936baf8..0c7d49ee39 100644
--- a/tp/t/results/languages/multiple_lang_chapters.pl
+++ b/tp/t/results/languages/multiple_lang_chapters.pl
@@ -171,8 +171,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -581,10 +580,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -625,8 +621,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -908,11 +903,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -953,8 +944,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1236,11 +1226,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1281,8 +1267,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1518,11 +1503,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1563,8 +1544,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1629,11 +1609,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 48,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1674,8 +1650,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1757,11 +1732,7 @@ $result_trees{'multiple_lang_chapters'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/languages/multiple_lang_chapters_latex.pl 
b/tp/t/results/languages/multiple_lang_chapters_latex.pl
index 0f1e9bfbad..d8a600ad0f 100644
--- a/tp/t/results/languages/multiple_lang_chapters_latex.pl
+++ b/tp/t/results/languages/multiple_lang_chapters_latex.pl
@@ -171,8 +171,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -581,10 +580,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -625,8 +621,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -908,11 +903,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -953,8 +944,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1236,11 +1226,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1281,8 +1267,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1518,11 +1503,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1563,8 +1544,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1629,11 +1609,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 48,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1674,8 +1650,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1757,11 +1732,7 @@ $result_trees{'multiple_lang_chapters_latex'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/languages/multiple_lang_chapters_texi2html.pl 
b/tp/t/results/languages/multiple_lang_chapters_texi2html.pl
index 3dbfe9dc3b..b5bda99945 100644
--- a/tp/t/results/languages/multiple_lang_chapters_texi2html.pl
+++ b/tp/t/results/languages/multiple_lang_chapters_texi2html.pl
@@ -142,8 +142,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -552,10 +551,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -596,8 +592,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -879,11 +874,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -924,8 +915,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1207,11 +1197,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1252,8 +1238,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1489,11 +1474,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1534,8 +1515,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1600,11 +1580,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 48,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1645,8 +1621,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1728,11 +1703,7 @@ $result_trees{'multiple_lang_chapters_texi2html'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 5
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/languages/simple.pl b/tp/t/results/languages/simple.pl
index 4c5267178d..5ebc8c7bcb 100644
--- a/tp/t/results/languages/simple.pl
+++ b/tp/t/results/languages/simple.pl
@@ -259,8 +259,7 @@ $result_trees{'simple'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -319,8 +318,7 @@ $result_nodes{'simple'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'simple'} = {
@@ -328,8 +326,7 @@ $result_menus{'simple'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'simple'} = [];
diff --git a/tp/t/results/languages/unknown_language.pl 
b/tp/t/results/languages/unknown_language.pl
index fc2d197e14..2b1f4725d5 100644
--- a/tp/t/results/languages/unknown_language.pl
+++ b/tp/t/results/languages/unknown_language.pl
@@ -87,8 +87,7 @@ $result_trees{'unknown_language'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -257,10 +256,7 @@ $result_trees{'unknown_language'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -336,8 +332,7 @@ $result_sectioning{'unknown_language'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -365,8 +360,7 @@ $result_nodes{'unknown_language'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'unknown_language'} = {
@@ -374,8 +368,7 @@ $result_menus{'unknown_language'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'unknown_language'} = [
diff --git a/tp/t/results/languages/unknown_region.pl 
b/tp/t/results/languages/unknown_region.pl
index 5b5d5d97f3..0cc195bd31 100644
--- a/tp/t/results/languages/unknown_region.pl
+++ b/tp/t/results/languages/unknown_region.pl
@@ -259,8 +259,7 @@ $result_trees{'unknown_region'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -319,8 +318,7 @@ $result_nodes{'unknown_region'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'unknown_region'} = {
@@ -328,8 +326,7 @@ $result_menus{'unknown_region'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'unknown_region'} = [
diff --git 
a/tp/t/results/latex_tests/anchor_links_xref_xrefautomaticsectiontitle.pl 
b/tp/t/results/latex_tests/anchor_links_xref_xrefautomaticsectiontitle.pl
index 3abc5810a5..4e44b9f658 100644
--- a/tp/t/results/latex_tests/anchor_links_xref_xrefautomaticsectiontitle.pl
+++ b/tp/t/results/latex_tests/anchor_links_xref_xrefautomaticsectiontitle.pl
@@ -145,8 +145,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -187,8 +186,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,10 +273,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -377,8 +372,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +413,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -875,11 +868,7 @@ 
$result_trees{'anchor_links_xref_xrefautomaticsectiontitle'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/custom_headings.pl 
b/tp/t/results/latex_tests/custom_headings.pl
index 04fd558b6f..6140454c12 100644
--- a/tp/t/results/latex_tests/custom_headings.pl
+++ b/tp/t/results/latex_tests/custom_headings.pl
@@ -263,8 +263,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -300,10 +299,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -344,8 +340,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -451,11 +446,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -491,11 +482,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -643,11 +630,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -759,11 +742,7 @@ $result_trees{'custom_headings'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/float_and_refs.pl 
b/tp/t/results/latex_tests/float_and_refs.pl
index 4db0bb9d8a..ca437287ef 100644
--- a/tp/t/results/latex_tests/float_and_refs.pl
+++ b/tp/t/results/latex_tests/float_and_refs.pl
@@ -87,8 +87,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -168,8 +164,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -354,10 +349,7 @@ $result_trees{'float_and_refs'} = {
             'line_nr' => 9,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -531,10 +523,7 @@ $result_trees{'float_and_refs'} = {
             'line_nr' => 15,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -708,10 +697,7 @@ $result_trees{'float_and_refs'} = {
             'line_nr' => 21,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -728,11 +714,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1722,11 +1704,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1861,11 +1839,7 @@ $result_trees{'float_and_refs'} = {
         'line_nr' => 47,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/fonttextsize.pl 
b/tp/t/results/latex_tests/fonttextsize.pl
index f6a0b38c0e..52a64b981e 100644
--- a/tp/t/results/latex_tests/fonttextsize.pl
+++ b/tp/t/results/latex_tests/fonttextsize.pl
@@ -124,8 +124,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -161,10 +160,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,8 +201,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -242,11 +237,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -282,11 +273,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -364,11 +351,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -450,11 +433,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -536,11 +515,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -587,11 +562,7 @@ $result_trees{'fonttextsize'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.4'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/indices.pl 
b/tp/t/results/latex_tests/indices.pl
index bd3d7b4326..740a89499b 100644
--- a/tp/t/results/latex_tests/indices.pl
+++ b/tp/t/results/latex_tests/indices.pl
@@ -117,8 +117,7 @@ $result_trees{'indices'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -154,10 +153,7 @@ $result_trees{'indices'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -199,8 +195,7 @@ $result_trees{'indices'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1028,11 +1023,7 @@ $result_trees{'indices'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/pagesizes.pl 
b/tp/t/results/latex_tests/pagesizes.pl
index 23baa07379..7e16a18cbd 100644
--- a/tp/t/results/latex_tests/pagesizes.pl
+++ b/tp/t/results/latex_tests/pagesizes.pl
@@ -121,8 +121,7 @@ $result_trees{'pagesizes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -158,10 +157,7 @@ $result_trees{'pagesizes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -202,8 +198,7 @@ $result_trees{'pagesizes'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -273,11 +268,7 @@ $result_trees{'pagesizes'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -375,11 +366,7 @@ $result_trees{'pagesizes'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/pagetype.pl 
b/tp/t/results/latex_tests/pagetype.pl
index c518f5a4ae..c8c4a78d30 100644
--- a/tp/t/results/latex_tests/pagetype.pl
+++ b/tp/t/results/latex_tests/pagetype.pl
@@ -123,8 +123,7 @@ $result_trees{'pagetype'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -160,10 +159,7 @@ $result_trees{'pagetype'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -204,8 +200,7 @@ $result_trees{'pagetype'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -322,11 +317,7 @@ $result_trees{'pagetype'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -373,11 +364,7 @@ $result_trees{'pagetype'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/settitle_and_headings.pl 
b/tp/t/results/latex_tests/settitle_and_headings.pl
index b63133ab92..670319d193 100644
--- a/tp/t/results/latex_tests/settitle_and_headings.pl
+++ b/tp/t/results/latex_tests/settitle_and_headings.pl
@@ -219,11 +219,7 @@ $result_trees{'settitle_and_headings'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/shorttitlepage.pl 
b/tp/t/results/latex_tests/shorttitlepage.pl
index 9682fde204..787c756ff9 100644
--- a/tp/t/results/latex_tests/shorttitlepage.pl
+++ b/tp/t/results/latex_tests/shorttitlepage.pl
@@ -129,8 +129,7 @@ $result_trees{'shorttitlepage'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -166,10 +165,7 @@ $result_trees{'shorttitlepage'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -210,8 +206,7 @@ $result_trees{'shorttitlepage'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -258,11 +253,7 @@ $result_trees{'shorttitlepage'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_classical.pl 
b/tp/t/results/latex_tests/titlepage_classical.pl
index c066721c18..70c168e26b 100644
--- a/tp/t/results/latex_tests/titlepage_classical.pl
+++ b/tp/t/results/latex_tests/titlepage_classical.pl
@@ -441,8 +441,7 @@ $result_trees{'titlepage_classical'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -478,10 +477,7 @@ $result_trees{'titlepage_classical'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -522,8 +518,7 @@ $result_trees{'titlepage_classical'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -576,11 +571,7 @@ $result_trees{'titlepage_classical'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_in_top_node.pl 
b/tp/t/results/latex_tests/titlepage_in_top_node.pl
index 97c4d48e14..be33fbd4ef 100644
--- a/tp/t/results/latex_tests/titlepage_in_top_node.pl
+++ b/tp/t/results/latex_tests/titlepage_in_top_node.pl
@@ -87,8 +87,7 @@ $result_trees{'titlepage_in_top_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -228,10 +227,7 @@ $result_trees{'titlepage_in_top_node'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -272,8 +268,7 @@ $result_trees{'titlepage_in_top_node'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -320,11 +315,7 @@ $result_trees{'titlepage_in_top_node'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_long_title.pl 
b/tp/t/results/latex_tests/titlepage_long_title.pl
index f8da52539b..25f82944b8 100644
--- a/tp/t/results/latex_tests/titlepage_long_title.pl
+++ b/tp/t/results/latex_tests/titlepage_long_title.pl
@@ -182,8 +182,7 @@ $result_trees{'titlepage_long_title'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -219,10 +218,7 @@ $result_trees{'titlepage_long_title'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -263,8 +259,7 @@ $result_trees{'titlepage_long_title'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -311,11 +306,7 @@ $result_trees{'titlepage_long_title'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_no_author.pl 
b/tp/t/results/latex_tests/titlepage_no_author.pl
index 4a75a41a22..d0d05d59d2 100644
--- a/tp/t/results/latex_tests/titlepage_no_author.pl
+++ b/tp/t/results/latex_tests/titlepage_no_author.pl
@@ -168,8 +168,7 @@ $result_trees{'titlepage_no_author'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,10 +204,7 @@ $result_trees{'titlepage_no_author'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -249,8 +245,7 @@ $result_trees{'titlepage_no_author'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -297,11 +292,7 @@ $result_trees{'titlepage_no_author'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_no_title.pl 
b/tp/t/results/latex_tests/titlepage_no_title.pl
index 2023578b9e..b3ad54cd00 100644
--- a/tp/t/results/latex_tests/titlepage_no_title.pl
+++ b/tp/t/results/latex_tests/titlepage_no_title.pl
@@ -202,8 +202,7 @@ $result_trees{'titlepage_no_title'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -239,10 +238,7 @@ $result_trees{'titlepage_no_title'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -283,8 +279,7 @@ $result_trees{'titlepage_no_title'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -331,11 +326,7 @@ $result_trees{'titlepage_no_title'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/latex_tests/titlepage_with_commands_classical.pl 
b/tp/t/results/latex_tests/titlepage_with_commands_classical.pl
index d955bcc65e..94e737c5f3 100644
--- a/tp/t/results/latex_tests/titlepage_with_commands_classical.pl
+++ b/tp/t/results/latex_tests/titlepage_with_commands_classical.pl
@@ -618,8 +618,7 @@ $result_trees{'titlepage_with_commands_classical'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -655,10 +654,7 @@ $result_trees{'titlepage_with_commands_classical'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -699,8 +695,7 @@ $result_trees{'titlepage_with_commands_classical'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -753,11 +748,7 @@ $result_trees{'titlepage_with_commands_classical'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/layout/navigation.pl 
b/tp/t/results/layout/navigation.pl
index 9c695c57cd..7a02389303 100644
--- a/tp/t/results/layout/navigation.pl
+++ b/tp/t/results/layout/navigation.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_chapter.pl 
b/tp/t/results/layout/navigation_chapter.pl
index 5432b716a1..cd7141bc96 100644
--- a/tp/t/results/layout/navigation_chapter.pl
+++ b/tp/t/results/layout/navigation_chapter.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_chapter'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_chapter_no_header.pl 
b/tp/t/results/layout/navigation_chapter_no_header.pl
index 68b6d142cf..f7ed0b491a 100644
--- a/tp/t/results/layout/navigation_chapter_no_header.pl
+++ b/tp/t/results/layout/navigation_chapter_no_header.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_chapter_no_header'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_chapter_no_header_vertical.pl 
b/tp/t/results/layout/navigation_chapter_no_header_vertical.pl
index f2701e4875..37a2918ad5 100644
--- a/tp/t/results/layout/navigation_chapter_no_header_vertical.pl
+++ b/tp/t/results/layout/navigation_chapter_no_header_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_chapter_no_header_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_chapter_vertical.pl 
b/tp/t/results/layout/navigation_chapter_vertical.pl
index c5d9824e04..1f0a8140cd 100644
--- a/tp/t/results/layout/navigation_chapter_vertical.pl
+++ b/tp/t/results/layout/navigation_chapter_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_chapter_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_no_header.pl 
b/tp/t/results/layout/navigation_no_header.pl
index 442496a367..d39a3e1bb3 100644
--- a/tp/t/results/layout/navigation_no_header.pl
+++ b/tp/t/results/layout/navigation_no_header.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_no_header'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_no_header_vertical.pl 
b/tp/t/results/layout/navigation_no_header_vertical.pl
index b84fff962c..8d7d97172e 100644
--- a/tp/t/results/layout/navigation_no_header_vertical.pl
+++ b/tp/t/results/layout/navigation_no_header_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_no_header_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_node.pl 
b/tp/t/results/layout/navigation_node.pl
index 0c8e0f5f84..6a16a85ca9 100644
--- a/tp/t/results/layout/navigation_node.pl
+++ b/tp/t/results/layout/navigation_node.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_node'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_node_no_header.pl 
b/tp/t/results/layout/navigation_node_no_header.pl
index c9c5e67299..f2e4e39355 100644
--- a/tp/t/results/layout/navigation_node_no_header.pl
+++ b/tp/t/results/layout/navigation_node_no_header.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_node_no_header'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_node_no_header_vertical.pl 
b/tp/t/results/layout/navigation_node_no_header_vertical.pl
index cc81c45c6a..06eeb0a93b 100644
--- a/tp/t/results/layout/navigation_node_no_header_vertical.pl
+++ b/tp/t/results/layout/navigation_node_no_header_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_node_no_header_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_node_vertical.pl 
b/tp/t/results/layout/navigation_node_vertical.pl
index 353a14cd92..eb9204abbc 100644
--- a/tp/t/results/layout/navigation_node_vertical.pl
+++ b/tp/t/results/layout/navigation_node_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_node_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_section.pl 
b/tp/t/results/layout/navigation_section.pl
index 3c9fe0bd26..42eda49a97 100644
--- a/tp/t/results/layout/navigation_section.pl
+++ b/tp/t/results/layout/navigation_section.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_section'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_section_no_header.pl 
b/tp/t/results/layout/navigation_section_no_header.pl
index e2d7143745..aa29f265ef 100644
--- a/tp/t/results/layout/navigation_section_no_header.pl
+++ b/tp/t/results/layout/navigation_section_no_header.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_section_no_header'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_section_no_header_vertical.pl 
b/tp/t/results/layout/navigation_section_no_header_vertical.pl
index 5b9f1abc8d..1aee527da1 100644
--- a/tp/t/results/layout/navigation_section_no_header_vertical.pl
+++ b/tp/t/results/layout/navigation_section_no_header_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_section_no_header_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_section_vertical.pl 
b/tp/t/results/layout/navigation_section_vertical.pl
index 5e6984850a..8d2a033c5d 100644
--- a/tp/t/results/layout/navigation_section_vertical.pl
+++ b/tp/t/results/layout/navigation_section_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_section_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/navigation_vertical.pl 
b/tp/t/results/layout/navigation_vertical.pl
index 7af336ff5e..877077f0b2 100644
--- a/tp/t/results/layout/navigation_vertical.pl
+++ b/tp/t/results/layout/navigation_vertical.pl
@@ -111,8 +111,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,8 +304,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +456,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -506,8 +497,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -885,11 +875,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -930,8 +916,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -990,11 +975,7 @@ $result_trees{'navigation_vertical'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/layout/no_monolithic.pl 
b/tp/t/results/layout/no_monolithic.pl
index 39a4792252..0c637a079b 100644
--- a/tp/t/results/layout/no_monolithic.pl
+++ b/tp/t/results/layout/no_monolithic.pl
@@ -111,8 +111,7 @@ $result_trees{'no_monolithic'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -360,10 +359,7 @@ $result_trees{'no_monolithic'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -405,8 +401,7 @@ $result_trees{'no_monolithic'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -530,11 +525,7 @@ $result_trees{'no_monolithic'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/macro/backslash_in_arg.pl 
b/tp/t/results/macro/backslash_in_arg.pl
index cb70942f12..39903e56e5 100644
--- a/tp/t/results/macro/backslash_in_arg.pl
+++ b/tp/t/results/macro/backslash_in_arg.pl
@@ -304,8 +304,7 @@ $result_trees{'backslash_in_arg'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/macro/macro_in_index_commands.pl 
b/tp/t/results/macro/macro_in_index_commands.pl
index 8d49cada1d..cf4b964c80 100644
--- a/tp/t/results/macro/macro_in_index_commands.pl
+++ b/tp/t/results/macro/macro_in_index_commands.pl
@@ -893,8 +893,7 @@ $result_trees{'macro_in_index_commands'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/macro/macro_in_misc_commands.pl 
b/tp/t/results/macro/macro_in_misc_commands.pl
index 6e7c0ff256..ddcb3c086c 100644
--- a/tp/t/results/macro/macro_in_misc_commands.pl
+++ b/tp/t/results/macro/macro_in_misc_commands.pl
@@ -142,8 +142,7 @@ $result_trees{'macro_in_misc_commands'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -190,8 +189,7 @@ $result_trees{'macro_in_misc_commands'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -3288,10 +3286,7 @@ $result_trees{'macro_in_misc_commands'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3332,8 +3327,7 @@ $result_trees{'macro_in_misc_commands'} = {
         'line_nr' => 203,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3499,11 +3493,7 @@ $result_trees{'macro_in_misc_commands'} = {
         'line_nr' => 204,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/menu/block_commands_in_menu_description.pl 
b/tp/t/results/menu/block_commands_in_menu_description.pl
index 597ec094af..9a1a936e51 100644
--- a/tp/t/results/menu/block_commands_in_menu_description.pl
+++ b/tp/t/results/menu/block_commands_in_menu_description.pl
@@ -51,8 +51,7 @@ $result_trees{'block_commands_in_menu_description'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -588,10 +587,7 @@ $result_trees{'block_commands_in_menu_description'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/comment_on_menu_line.pl 
b/tp/t/results/menu/comment_on_menu_line.pl
index c1dda3d35c..9b696ad5ed 100644
--- a/tp/t/results/menu/comment_on_menu_line.pl
+++ b/tp/t/results/menu/comment_on_menu_line.pl
@@ -193,8 +193,7 @@ $result_trees{'comment_on_menu_line'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -223,11 +222,7 @@ $result_trees{'comment_on_menu_line'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -268,8 +263,7 @@ $result_trees{'comment_on_menu_line'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/detailmenu_on_subnodes.pl 
b/tp/t/results/menu/detailmenu_on_subnodes.pl
index 9210a39246..51c6df0d64 100644
--- a/tp/t/results/menu/detailmenu_on_subnodes.pl
+++ b/tp/t/results/menu/detailmenu_on_subnodes.pl
@@ -51,8 +51,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -597,10 +596,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -641,8 +637,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -794,11 +789,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -839,8 +830,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -876,11 +866,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -921,8 +907,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1131,11 +1116,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1176,8 +1157,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1213,11 +1193,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1258,8 +1234,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1288,10 +1263,7 @@ $result_trees{'detailmenu_on_subnodes'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/detailmenu_unknown_node.pl 
b/tp/t/results/menu/detailmenu_unknown_node.pl
index 5492dc7ac5..8834a3a1c8 100644
--- a/tp/t/results/menu/detailmenu_unknown_node.pl
+++ b/tp/t/results/menu/detailmenu_unknown_node.pl
@@ -221,8 +221,7 @@ $result_trees{'detailmenu_unknown_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -293,8 +292,7 @@ $result_nodes{'detailmenu_unknown_node'} = {
         }
       }
     }
-  ],
-  'structure' => {}
+  ]
 };
 
 $result_menus{'detailmenu_unknown_node'} = {
@@ -302,8 +300,7 @@ $result_menus{'detailmenu_unknown_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'detailmenu_unknown_node'} = [
diff --git a/tp/t/results/menu/direntry_dircategory_after_first_node.pl 
b/tp/t/results/menu/direntry_dircategory_after_first_node.pl
index caf12e1b60..83b29cf1b8 100644
--- a/tp/t/results/menu/direntry_dircategory_after_first_node.pl
+++ b/tp/t/results/menu/direntry_dircategory_after_first_node.pl
@@ -51,8 +51,7 @@ $result_trees{'direntry_dircategory_after_first_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -249,10 +248,7 @@ $result_trees{'direntry_dircategory_after_first_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/empty_menu_entry_name.pl 
b/tp/t/results/menu/empty_menu_entry_name.pl
index c2400098ec..02073803dc 100644
--- a/tp/t/results/menu/empty_menu_entry_name.pl
+++ b/tp/t/results/menu/empty_menu_entry_name.pl
@@ -260,8 +260,7 @@ $result_trees{'empty_menu_entry_name'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -302,8 +301,7 @@ $result_trees{'empty_menu_entry_name'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/entry_after_detailmenu.pl 
b/tp/t/results/menu/entry_after_detailmenu.pl
index e8b3afc464..ece066f773 100644
--- a/tp/t/results/menu/entry_after_detailmenu.pl
+++ b/tp/t/results/menu/entry_after_detailmenu.pl
@@ -498,8 +498,7 @@ $result_trees{'entry_after_detailmenu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -540,8 +539,7 @@ $result_trees{'entry_after_detailmenu'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -582,8 +580,7 @@ $result_trees{'entry_after_detailmenu'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/example_in_menu_description.pl 
b/tp/t/results/menu/example_in_menu_description.pl
index 616a999f2a..8a2c79810d 100644
--- a/tp/t/results/menu/example_in_menu_description.pl
+++ b/tp/t/results/menu/example_in_menu_description.pl
@@ -51,8 +51,7 @@ $result_trees{'example_in_menu_description'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -298,10 +297,7 @@ $result_trees{'example_in_menu_description'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/formats_in_menu.pl 
b/tp/t/results/menu/formats_in_menu.pl
index cf26dc444a..8249728520 100644
--- a/tp/t/results/menu/formats_in_menu.pl
+++ b/tp/t/results/menu/formats_in_menu.pl
@@ -759,8 +759,7 @@ $result_trees{'formats_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/inlineraw_in_menu_description.pl 
b/tp/t/results/menu/inlineraw_in_menu_description.pl
index 2dcd23997f..05fb971ea1 100644
--- a/tp/t/results/menu/inlineraw_in_menu_description.pl
+++ b/tp/t/results/menu/inlineraw_in_menu_description.pl
@@ -51,8 +51,7 @@ $result_trees{'inlineraw_in_menu_description'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -278,10 +277,7 @@ $result_trees{'inlineraw_in_menu_description'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/invalid_info_menu_entry.pl 
b/tp/t/results/menu/invalid_info_menu_entry.pl
index ed9b912507..0635731fea 100644
--- a/tp/t/results/menu/invalid_info_menu_entry.pl
+++ b/tp/t/results/menu/invalid_info_menu_entry.pl
@@ -625,8 +625,7 @@ $result_trees{'invalid_info_menu_entry'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/menu_in_deffn.pl 
b/tp/t/results/menu/menu_in_deffn.pl
index 1e31e032ce..c240bb9fcf 100644
--- a/tp/t/results/menu/menu_in_deffn.pl
+++ b/tp/t/results/menu/menu_in_deffn.pl
@@ -313,8 +313,7 @@ $result_trees{'menu_in_deffn'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/menu_in_example.pl 
b/tp/t/results/menu/menu_in_example.pl
index a44ac5b99a..1540c76810 100644
--- a/tp/t/results/menu/menu_in_example.pl
+++ b/tp/t/results/menu/menu_in_example.pl
@@ -554,8 +554,7 @@ $result_trees{'menu_in_example'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -686,8 +685,7 @@ $result_nodes{'menu_in_example'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'menu_in_example'} = {
@@ -695,8 +693,7 @@ $result_menus{'menu_in_example'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'menu_in_example'} = [
diff --git a/tp/t/results/menu/menu_node_unterminated.pl 
b/tp/t/results/menu/menu_node_unterminated.pl
index 476cc26ecf..da8a4c743b 100644
--- a/tp/t/results/menu/menu_node_unterminated.pl
+++ b/tp/t/results/menu/menu_node_unterminated.pl
@@ -174,8 +174,7 @@ $result_trees{'menu_node_unterminated'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/menu_pointing_to_anchor.pl 
b/tp/t/results/menu/menu_pointing_to_anchor.pl
index d1cfe7533b..4b7ffe0fa1 100644
--- a/tp/t/results/menu/menu_pointing_to_anchor.pl
+++ b/tp/t/results/menu/menu_pointing_to_anchor.pl
@@ -51,8 +51,7 @@ $result_trees{'menu_pointing_to_anchor'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -122,8 +121,7 @@ $result_trees{'menu_pointing_to_anchor'} = {
             'line_nr' => 6,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -256,10 +254,7 @@ $result_trees{'menu_pointing_to_anchor'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/menu_title_before_entries.pl 
b/tp/t/results/menu/menu_title_before_entries.pl
index d140de3728..79e13c9690 100644
--- a/tp/t/results/menu/menu_title_before_entries.pl
+++ b/tp/t/results/menu/menu_title_before_entries.pl
@@ -191,8 +191,7 @@ $result_trees{'menu_title_before_entries'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -233,8 +232,7 @@ $result_trees{'menu_title_before_entries'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/multiple_menus.pl 
b/tp/t/results/menu/multiple_menus.pl
index 0e8cd6ebf8..71bb8869a9 100644
--- a/tp/t/results/menu/multiple_menus.pl
+++ b/tp/t/results/menu/multiple_menus.pl
@@ -314,8 +314,7 @@ $result_trees{'multiple_menus'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/no_colon_in_menu.pl 
b/tp/t/results/menu/no_colon_in_menu.pl
index c64ffecef0..0675217fba 100644
--- a/tp/t/results/menu/no_colon_in_menu.pl
+++ b/tp/t/results/menu/no_colon_in_menu.pl
@@ -128,8 +128,7 @@ $result_trees{'no_colon_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -184,8 +183,7 @@ $result_nodes{'no_colon_in_menu'} = {
         }
       }
     }
-  ],
-  'structure' => {}
+  ]
 };
 
 $result_menus{'no_colon_in_menu'} = {
@@ -193,8 +191,7 @@ $result_menus{'no_colon_in_menu'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'no_colon_in_menu'} = [];
diff --git a/tp/t/results/menu/reference_to_external_manual.pl 
b/tp/t/results/menu/reference_to_external_manual.pl
index 39508955a8..39bf73e68d 100644
--- a/tp/t/results/menu/reference_to_external_manual.pl
+++ b/tp/t/results/menu/reference_to_external_manual.pl
@@ -182,8 +182,7 @@ $result_trees{'reference_to_external_manual'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/sc_in_menu.pl b/tp/t/results/menu/sc_in_menu.pl
index af8ab18b66..6ba2a78045 100644
--- a/tp/t/results/menu/sc_in_menu.pl
+++ b/tp/t/results/menu/sc_in_menu.pl
@@ -481,8 +481,7 @@ $result_trees{'sc_in_menu'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -851,8 +850,7 @@ $result_trees{'sc_in_menu'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/menu/submenu_in_example.pl 
b/tp/t/results/menu/submenu_in_example.pl
index fbfb113c15..84960ab4a3 100644
--- a/tp/t/results/menu/submenu_in_example.pl
+++ b/tp/t/results/menu/submenu_in_example.pl
@@ -429,8 +429,7 @@ $result_trees{'submenu_in_example'} = {
                         'line_nr' => 23,
                         'macro' => ''
                       },
-                      'parent' => {},
-                      'structure' => {}
+                      'parent' => {}
                     },
                     {
                       'contents' => [
@@ -643,8 +642,7 @@ $result_trees{'submenu_in_example'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -795,8 +793,7 @@ $result_nodes{'submenu_in_example'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'submenu_in_example'} = {
@@ -804,8 +801,7 @@ $result_menus{'submenu_in_example'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'submenu_in_example'} = [
diff --git a/tp/t/results/menu/verb_in_menu_description.pl 
b/tp/t/results/menu/verb_in_menu_description.pl
index 2f6c564df0..45d1a15c04 100644
--- a/tp/t/results/menu/verb_in_menu_description.pl
+++ b/tp/t/results/menu/verb_in_menu_description.pl
@@ -51,8 +51,7 @@ $result_trees{'verb_in_menu_description'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -261,10 +260,7 @@ $result_trees{'verb_in_menu_description'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/misc_commands/also_not_line.pl 
b/tp/t/results/misc_commands/also_not_line.pl
index 4ef37fea0a..1c8aa82bff 100644
--- a/tp/t/results/misc_commands/also_not_line.pl
+++ b/tp/t/results/misc_commands/also_not_line.pl
@@ -325,8 +325,7 @@ $result_trees{'also_not_line'} = {
             'line_nr' => 18,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git 
a/tp/t/results/misc_commands/codequoteundirected_codequotebacktick.pl 
b/tp/t/results/misc_commands/codequoteundirected_codequotebacktick.pl
index 4be6dc2e61..a49e83bea0 100644
--- a/tp/t/results/misc_commands/codequoteundirected_codequotebacktick.pl
+++ b/tp/t/results/misc_commands/codequoteundirected_codequotebacktick.pl
@@ -1648,8 +1648,7 @@ $result_trees{'codequoteundirected_codequotebacktick'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4218,10 +4217,7 @@ $result_trees{'codequoteundirected_codequotebacktick'} = 
{
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -5125,8 +5121,7 @@ 
$result_sectioning{'codequoteundirected_codequotebacktick'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -5154,8 +5149,7 @@ $result_nodes{'codequoteundirected_codequotebacktick'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'codequoteundirected_codequotebacktick'} = {
@@ -5163,8 +5157,7 @@ $result_menus{'codequoteundirected_codequotebacktick'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'codequoteundirected_codequotebacktick'} = [
diff --git a/tp/t/results/misc_commands/comment_space_command_on_line.pl 
b/tp/t/results/misc_commands/comment_space_command_on_line.pl
index d45a5782c8..5c84de8fd3 100644
--- a/tp/t/results/misc_commands/comment_space_command_on_line.pl
+++ b/tp/t/results/misc_commands/comment_space_command_on_line.pl
@@ -124,8 +124,7 @@ $result_trees{'comment_space_command_on_line'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -342,8 +341,7 @@ $result_trees{'comment_space_command_on_line'} = {
             'line_nr' => 10,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -514,10 +512,7 @@ $result_trees{'comment_space_command_on_line'} = {
             'line_nr' => 14,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -595,10 +590,7 @@ $result_trees{'comment_space_command_on_line'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -748,8 +740,7 @@ $result_sectioning{'comment_space_command_on_line'} = {
               'isindex' => 1,
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -778,8 +769,7 @@ $result_nodes{'comment_space_command_on_line'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'comment_space_command_on_line'} = {
@@ -788,8 +778,7 @@ $result_menus{'comment_space_command_on_line'} = {
     'isindex' => 1,
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'comment_space_command_on_line'} = [];
diff --git a/tp/t/results/misc_commands/no_empty_line_between_headings.pl 
b/tp/t/results/misc_commands/no_empty_line_between_headings.pl
index f1385d589b..15e6786fe5 100644
--- a/tp/t/results/misc_commands/no_empty_line_between_headings.pl
+++ b/tp/t/results/misc_commands/no_empty_line_between_headings.pl
@@ -57,8 +57,7 @@ $result_trees{'no_empty_line_between_headings'} = {
             'line_nr' => 2,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -69,10 +68,7 @@ $result_trees{'no_empty_line_between_headings'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -101,11 +97,7 @@ $result_trees{'no_empty_line_between_headings'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -134,11 +126,7 @@ $result_trees{'no_empty_line_between_headings'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/misc_commands/ref_in_center.pl 
b/tp/t/results/misc_commands/ref_in_center.pl
index 2a969299f4..30636d2c40 100644
--- a/tp/t/results/misc_commands/ref_in_center.pl
+++ b/tp/t/results/misc_commands/ref_in_center.pl
@@ -192,8 +192,7 @@ $result_trees{'ref_in_center'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -245,8 +244,7 @@ $result_nodes{'ref_in_center'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'ref_in_center'} = {
@@ -254,8 +252,7 @@ $result_menus{'ref_in_center'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'ref_in_center'} = [
diff --git a/tp/t/results/misc_commands/test_allowcodebreaks.pl 
b/tp/t/results/misc_commands/test_allowcodebreaks.pl
index f35a8f5d4c..9ac4a4ab87 100644
--- a/tp/t/results/misc_commands/test_allowcodebreaks.pl
+++ b/tp/t/results/misc_commands/test_allowcodebreaks.pl
@@ -2234,8 +2234,7 @@ $result_trees{'test_allowcodebreaks'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -2692,8 +2691,7 @@ $result_nodes{'test_allowcodebreaks'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'test_allowcodebreaks'} = {
@@ -2701,8 +2699,7 @@ $result_menus{'test_allowcodebreaks'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'test_allowcodebreaks'} = [];
diff --git a/tp/t/results/misc_commands/text_before_line_command.pl 
b/tp/t/results/misc_commands/text_before_line_command.pl
index 5c9fc82e1f..fe60c9c31f 100644
--- a/tp/t/results/misc_commands/text_before_line_command.pl
+++ b/tp/t/results/misc_commands/text_before_line_command.pl
@@ -117,8 +117,7 @@ $result_trees{'text_before_line_command'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -287,11 +286,7 @@ $result_trees{'text_before_line_command'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/morecoverage/formatting_fr.pl 
b/tp/t/results/morecoverage/formatting_fr.pl
index fa00539b9b..ef8765c0ce 100644
--- a/tp/t/results/morecoverage/formatting_fr.pl
+++ b/tp/t/results/morecoverage/formatting_fr.pl
@@ -568,8 +568,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2091,10 +2090,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2135,8 +2131,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 84,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2472,11 +2467,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 85,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2542,8 +2533,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2903,11 +2893,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2948,8 +2934,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 113,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3198,11 +3183,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 114,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3243,8 +3224,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 123,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3280,11 +3260,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 124,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3325,8 +3301,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 126,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3362,11 +3337,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 127,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3408,8 +3379,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 129,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3547,10 +3517,7 @@ $result_trees{'formatting_fr'} = {
         'line_nr' => 130,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/morecoverage/texi_formatting.pl 
b/tp/t/results/morecoverage/texi_formatting.pl
index ccf3e21865..987eeb6475 100644
--- a/tp/t/results/morecoverage/texi_formatting.pl
+++ b/tp/t/results/morecoverage/texi_formatting.pl
@@ -568,8 +568,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2091,10 +2090,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2135,8 +2131,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 84,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2472,11 +2467,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 85,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2542,8 +2533,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2903,11 +2893,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2948,8 +2934,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 113,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3198,11 +3183,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 114,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3243,8 +3224,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 123,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3280,11 +3260,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 124,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3325,8 +3301,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 126,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3362,11 +3337,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 127,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3408,8 +3379,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 129,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3547,10 +3517,7 @@ $result_trees{'texi_formatting'} = {
         'line_nr' => 130,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/double_index_entry.pl 
b/tp/t/results/moreindices/double_index_entry.pl
index 2d320be548..7f8926ed13 100644
--- a/tp/t/results/moreindices/double_index_entry.pl
+++ b/tp/t/results/moreindices/double_index_entry.pl
@@ -298,8 +298,7 @@ $result_trees{'double_index_entry'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -460,8 +459,7 @@ $result_trees{'double_index_entry'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/moreindices/index_no_node.pl 
b/tp/t/results/moreindices/index_no_node.pl
index ef576c59a3..65cace8884 100644
--- a/tp/t/results/moreindices/index_no_node.pl
+++ b/tp/t/results/moreindices/index_no_node.pl
@@ -362,10 +362,7 @@ $result_trees{'index_no_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -747,10 +744,7 @@ $result_trees{'index_no_node'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -945,10 +939,7 @@ $result_trees{'index_no_node'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1112,11 +1103,7 @@ $result_trees{'index_no_node'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1169,11 +1156,7 @@ $result_trees{'index_no_node'} = {
         'line_nr' => 49,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/index_split.pl 
b/tp/t/results/moreindices/index_split.pl
index 31c3192adb..3bffba3bba 100644
--- a/tp/t/results/moreindices/index_split.pl
+++ b/tp/t/results/moreindices/index_split.pl
@@ -112,8 +112,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -548,10 +547,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -902,8 +898,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1463,11 +1458,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1509,8 +1500,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1861,11 +1851,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1906,8 +1892,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 66,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1960,11 +1945,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2006,8 +1987,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 71,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2191,11 +2171,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 72,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2236,8 +2212,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 82,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2290,11 +2265,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 83,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2336,8 +2307,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2457,11 +2427,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 88,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2605,8 +2571,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 94,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2909,8 +2874,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3033,8 +2997,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3075,8 +3038,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 116,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3129,11 +3091,7 @@ $result_trees{'index_split'} = {
         'line_nr' => 117,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/index_split_nodes.pl 
b/tp/t/results/moreindices/index_split_nodes.pl
index e120d60059..bfce68cf61 100644
--- a/tp/t/results/moreindices/index_split_nodes.pl
+++ b/tp/t/results/moreindices/index_split_nodes.pl
@@ -112,8 +112,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -548,10 +547,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -902,8 +898,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1463,11 +1458,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1509,8 +1500,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1861,11 +1851,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 52,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1906,8 +1892,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 66,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1960,11 +1945,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2006,8 +1987,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 71,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2191,11 +2171,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 72,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2236,8 +2212,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 82,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2290,11 +2265,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 83,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2336,8 +2307,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2457,11 +2427,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 88,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2605,8 +2571,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 94,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2909,8 +2874,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3033,8 +2997,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3075,8 +3038,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 116,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3129,11 +3091,7 @@ $result_trees{'index_split_nodes'} = {
         'line_nr' => 117,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/nodes_before_top.pl 
b/tp/t/results/moreindices/nodes_before_top.pl
index 6cd18a2991..430071adde 100644
--- a/tp/t/results/moreindices/nodes_before_top.pl
+++ b/tp/t/results/moreindices/nodes_before_top.pl
@@ -369,8 +369,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -589,8 +588,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -949,8 +947,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1325,8 +1322,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1607,8 +1603,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1830,8 +1825,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2127,8 +2121,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git 
a/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic.pl 
b/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic.pl
index daeb1337ea..5331ab8a74 100644
--- a/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic.pl
+++ b/tp/t/results/moreindices/nodes_before_top_and_sections_monolithic.pl
@@ -428,8 +428,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} = 
{
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -659,8 +658,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} = 
{
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -908,8 +906,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} = 
{
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1233,10 +1230,7 @@ 
$result_trees{'nodes_before_top_and_sections_monolithic'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1611,8 +1605,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1893,8 +1886,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2116,8 +2108,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2413,8 +2404,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 76,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2494,8 +2484,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 86,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2568,11 +2557,7 @@ 
$result_trees{'nodes_before_top_and_sections_monolithic'} = {
         'line_nr' => 87,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2708,8 +2693,7 @@ $result_trees{'nodes_before_top_and_sections_monolithic'} 
= {
         'line_nr' => 91,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/nodes_before_top_no_nodes.pl 
b/tp/t/results/moreindices/nodes_before_top_no_nodes.pl
index 2b8c95dd30..6aeb1cf2b6 100644
--- a/tp/t/results/moreindices/nodes_before_top_no_nodes.pl
+++ b/tp/t/results/moreindices/nodes_before_top_no_nodes.pl
@@ -369,8 +369,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -589,8 +588,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -949,8 +947,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1325,8 +1322,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1607,8 +1603,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1830,8 +1825,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2127,8 +2121,7 @@ $result_trees{'nodes_before_top_no_nodes'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/nodes_before_top_nodes.pl 
b/tp/t/results/moreindices/nodes_before_top_nodes.pl
index 09dcd1a362..cdb90217fe 100644
--- a/tp/t/results/moreindices/nodes_before_top_nodes.pl
+++ b/tp/t/results/moreindices/nodes_before_top_nodes.pl
@@ -369,8 +369,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -589,8 +588,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -949,8 +947,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1325,8 +1322,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1607,8 +1603,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1830,8 +1825,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2127,8 +2121,7 @@ $result_trees{'nodes_before_top_nodes'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moreindices/split_chapter_index.pl 
b/tp/t/results/moreindices/split_chapter_index.pl
index 976edcd75b..fe7f7d8488 100644
--- a/tp/t/results/moreindices/split_chapter_index.pl
+++ b/tp/t/results/moreindices/split_chapter_index.pl
@@ -111,8 +111,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -328,10 +327,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -373,8 +369,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -920,11 +915,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -965,8 +956,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1212,11 +1202,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1257,8 +1243,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 48,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1358,11 +1343,7 @@ $result_trees{'split_chapter_index'} = {
         'line_nr' => 49,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/equivalent_nodes.pl 
b/tp/t/results/moresectioning/equivalent_nodes.pl
index 0189351780..e5fd5f0aee 100644
--- a/tp/t/results/moresectioning/equivalent_nodes.pl
+++ b/tp/t/results/moresectioning/equivalent_nodes.pl
@@ -184,8 +184,7 @@ $result_trees{'equivalent_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -384,8 +383,7 @@ $result_trees{'equivalent_nodes'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -517,8 +515,7 @@ $result_trees{'equivalent_nodes'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -733,8 +730,7 @@ $result_trees{'equivalent_nodes'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/equivalent_nodes_no_node.pl 
b/tp/t/results/moresectioning/equivalent_nodes_no_node.pl
index 54eaabbf9f..30f628d2f4 100644
--- a/tp/t/results/moresectioning/equivalent_nodes_no_node.pl
+++ b/tp/t/results/moresectioning/equivalent_nodes_no_node.pl
@@ -184,8 +184,7 @@ $result_trees{'equivalent_nodes_no_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -384,8 +383,7 @@ $result_trees{'equivalent_nodes_no_node'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -517,8 +515,7 @@ $result_trees{'equivalent_nodes_no_node'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -733,8 +730,7 @@ $result_trees{'equivalent_nodes_no_node'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/more_sections_than_nodes.pl 
b/tp/t/results/moresectioning/more_sections_than_nodes.pl
index bde87a04fd..58ae6aa303 100644
--- a/tp/t/results/moresectioning/more_sections_than_nodes.pl
+++ b/tp/t/results/moresectioning/more_sections_than_nodes.pl
@@ -111,8 +111,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -378,10 +377,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -417,11 +413,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -462,8 +454,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,11 +490,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -539,11 +526,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -639,8 +622,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -792,11 +774,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -832,11 +810,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -877,8 +851,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -914,11 +887,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -954,11 +923,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -994,11 +959,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1034,11 +995,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '4.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1074,11 +1031,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '4.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1157,8 +1110,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1194,11 +1146,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '4.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1234,11 +1182,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 44,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/node_footnote_end.pl 
b/tp/t/results/moresectioning/node_footnote_end.pl
index 09c51f37e8..be77fd1872 100644
--- a/tp/t/results/moresectioning/node_footnote_end.pl
+++ b/tp/t/results/moresectioning/node_footnote_end.pl
@@ -459,8 +459,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -628,8 +627,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -797,8 +795,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -839,8 +836,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1010,11 +1006,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1182,8 +1174,7 @@ $result_trees{'node_footnote_end'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/node_footnote_separated.pl 
b/tp/t/results/moresectioning/node_footnote_separated.pl
index 08fc0695f5..903e7a255e 100644
--- a/tp/t/results/moresectioning/node_footnote_separated.pl
+++ b/tp/t/results/moresectioning/node_footnote_separated.pl
@@ -459,8 +459,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -628,8 +627,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -797,8 +795,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -839,8 +836,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1010,11 +1006,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1182,8 +1174,7 @@ $result_trees{'node_footnote_separated'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/node_footnote_use_node.pl 
b/tp/t/results/moresectioning/node_footnote_use_node.pl
index 76eca3166f..cac34613f5 100644
--- a/tp/t/results/moresectioning/node_footnote_use_node.pl
+++ b/tp/t/results/moresectioning/node_footnote_use_node.pl
@@ -459,8 +459,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -628,8 +627,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -797,8 +795,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -839,8 +836,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1010,11 +1006,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1182,8 +1174,7 @@ $result_trees{'node_footnote_use_node'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/nodes_after_top_before_chapter.pl 
b/tp/t/results/moresectioning/nodes_after_top_before_chapter.pl
index fe79694f63..c7ee12a097 100644
--- a/tp/t/results/moresectioning/nodes_after_top_before_chapter.pl
+++ b/tp/t/results/moresectioning/nodes_after_top_before_chapter.pl
@@ -302,8 +302,7 @@ $result_trees{'nodes_after_top_before_chapter'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +418,7 @@ $result_trees{'nodes_after_top_before_chapter'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,8 +497,7 @@ $result_trees{'nodes_after_top_before_chapter'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -542,11 +539,7 @@ $result_trees{'nodes_after_top_before_chapter'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter.pl
 
b/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter.pl
index 180b0708ce..54d60f943f 100644
--- 
a/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter.pl
+++ 
b/tp/t/results/moresectioning/nodes_after_top_before_chapter_use_nodes_chapter.pl
@@ -302,8 +302,7 @@ 
$result_trees{'nodes_after_top_before_chapter_use_nodes_chapter'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +418,7 @@ 
$result_trees{'nodes_after_top_before_chapter_use_nodes_chapter'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,8 +497,7 @@ 
$result_trees{'nodes_after_top_before_chapter_use_nodes_chapter'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -542,11 +539,7 @@ 
$result_trees{'nodes_after_top_before_chapter_use_nodes_chapter'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/nodes_after_top_before_section.pl 
b/tp/t/results/moresectioning/nodes_after_top_before_section.pl
index 86c809f98a..ecaa2d2778 100644
--- a/tp/t/results/moresectioning/nodes_after_top_before_section.pl
+++ b/tp/t/results/moresectioning/nodes_after_top_before_section.pl
@@ -302,8 +302,7 @@ $result_trees{'nodes_after_top_before_section'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +418,7 @@ $result_trees{'nodes_after_top_before_section'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,8 +497,7 @@ $result_trees{'nodes_after_top_before_section'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -542,11 +539,7 @@ $result_trees{'nodes_after_top_before_section'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes.pl 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes.pl
index 3df858180d..f2ee993d96 100644
--- a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes.pl
+++ b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes.pl
@@ -302,8 +302,7 @@ $result_trees{'nodes_after_top_before_section_use_nodes'} = 
{
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +418,7 @@ $result_trees{'nodes_after_top_before_section_use_nodes'} = 
{
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,8 +497,7 @@ $result_trees{'nodes_after_top_before_section_use_nodes'} = 
{
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -542,11 +539,7 @@ $result_trees{'nodes_after_top_before_section_use_nodes'} 
= {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter.pl
 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter.pl
index 680d91a2cd..de29d94b97 100644
--- 
a/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter.pl
+++ 
b/tp/t/results/moresectioning/nodes_after_top_before_section_use_nodes_chapter.pl
@@ -302,8 +302,7 @@ 
$result_trees{'nodes_after_top_before_section_use_nodes_chapter'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -419,8 +418,7 @@ 
$result_trees{'nodes_after_top_before_section_use_nodes_chapter'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -499,8 +497,7 @@ 
$result_trees{'nodes_after_top_before_section_use_nodes_chapter'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -542,11 +539,7 @@ 
$result_trees{'nodes_after_top_before_section_use_nodes_chapter'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/placed_things_before_element.pl 
b/tp/t/results/moresectioning/placed_things_before_element.pl
index 5787160e28..834e010e34 100644
--- a/tp/t/results/moresectioning/placed_things_before_element.pl
+++ b/tp/t/results/moresectioning/placed_things_before_element.pl
@@ -464,10 +464,7 @@ $result_trees{'placed_things_before_element'} = {
             'line_nr' => 22,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -834,11 +831,7 @@ $result_trees{'placed_things_before_element'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/sectioning_frames.pl 
b/tp/t/results/moresectioning/sectioning_frames.pl
index 8707d08c04..9c19d485a0 100644
--- a/tp/t/results/moresectioning/sectioning_frames.pl
+++ b/tp/t/results/moresectioning/sectioning_frames.pl
@@ -109,8 +109,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -681,10 +680,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -763,8 +759,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1059,11 +1054,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1104,8 +1095,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1428,10 +1418,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1472,8 +1459,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 50,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1509,10 +1495,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 51,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1553,8 +1536,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 53,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1590,10 +1572,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 54,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1634,8 +1613,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1671,10 +1649,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 57,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1715,8 +1690,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1752,10 +1726,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 60,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1796,8 +1767,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1949,10 +1919,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 63,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1993,8 +1960,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 69,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2036,10 +2002,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 70,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2080,8 +2043,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 73,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2117,11 +2079,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2214,8 +2172,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 76,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2318,8 +2275,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 80,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2372,11 +2328,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 84,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2417,8 +2369,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 88,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2477,10 +2428,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 89,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2583,8 +2531,7 @@ $result_trees{'sectioning_frames'} = {
         'line_nr' => 94,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/top_node_up_explicit.pl 
b/tp/t/results/moresectioning/top_node_up_explicit.pl
index ceccfe642b..6fb20ab7cc 100644
--- a/tp/t/results/moresectioning/top_node_up_explicit.pl
+++ b/tp/t/results/moresectioning/top_node_up_explicit.pl
@@ -223,8 +223,7 @@ $result_trees{'top_node_up_explicit'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -393,10 +392,7 @@ $result_trees{'top_node_up_explicit'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,8 +433,7 @@ $result_trees{'top_node_up_explicit'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -491,11 +486,7 @@ $result_trees{'top_node_up_explicit'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/top_node_up_implicit.pl 
b/tp/t/results/moresectioning/top_node_up_implicit.pl
index 83841374ee..439056dc01 100644
--- a/tp/t/results/moresectioning/top_node_up_implicit.pl
+++ b/tp/t/results/moresectioning/top_node_up_implicit.pl
@@ -129,8 +129,7 @@ $result_trees{'top_node_up_implicit'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -299,10 +298,7 @@ $result_trees{'top_node_up_implicit'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -343,8 +339,7 @@ $result_trees{'top_node_up_implicit'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -397,11 +392,7 @@ $result_trees{'top_node_up_implicit'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/two_footnotes_in_nodes.pl 
b/tp/t/results/moresectioning/two_footnotes_in_nodes.pl
index 0582ecdf86..49039b1b43 100644
--- a/tp/t/results/moresectioning/two_footnotes_in_nodes.pl
+++ b/tp/t/results/moresectioning/two_footnotes_in_nodes.pl
@@ -111,8 +111,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -396,10 +395,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -440,8 +436,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -609,11 +604,7 @@ $result_trees{'two_footnotes_in_nodes'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/moresectioning/two_footnotes_in_nodes_separated.pl 
b/tp/t/results/moresectioning/two_footnotes_in_nodes_separated.pl
index 731a44751e..29e420f048 100644
--- a/tp/t/results/moresectioning/two_footnotes_in_nodes_separated.pl
+++ b/tp/t/results/moresectioning/two_footnotes_in_nodes_separated.pl
@@ -111,8 +111,7 @@ $result_trees{'two_footnotes_in_nodes_separated'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -396,10 +395,7 @@ $result_trees{'two_footnotes_in_nodes_separated'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -440,8 +436,7 @@ $result_trees{'two_footnotes_in_nodes_separated'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -609,11 +604,7 @@ $result_trees{'two_footnotes_in_nodes_separated'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/paragraph/commands_in_flushright.pl 
b/tp/t/results/paragraph/commands_in_flushright.pl
index 3a2bece250..b498170385 100644
--- a/tp/t/results/paragraph/commands_in_flushright.pl
+++ b/tp/t/results/paragraph/commands_in_flushright.pl
@@ -861,10 +861,7 @@ $result_trees{'commands_in_flushright'} = {
                 'line_nr' => 35,
                 'macro' => ''
               },
-              'parent' => {},
-              'structure' => {
-                'float_number' => 1
-              }
+              'parent' => {}
             },
             {
               'parent' => {},
diff --git a/tp/t/results/plaintext_tests/all_spaces.pl 
b/tp/t/results/plaintext_tests/all_spaces.pl
index 11b3519c7e..e75befe5ec 100644
--- a/tp/t/results/plaintext_tests/all_spaces.pl
+++ b/tp/t/results/plaintext_tests/all_spaces.pl
@@ -558,8 +558,7 @@ $result_trees{'all_spaces'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -780,8 +779,7 @@ $result_nodes{'all_spaces'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'all_spaces'} = {
@@ -789,8 +787,7 @@ $result_menus{'all_spaces'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'all_spaces'} = [];
diff --git a/tp/t/results/plaintext_tests/chinese_mixed_with_en.pl 
b/tp/t/results/plaintext_tests/chinese_mixed_with_en.pl
index 695f2aa08c..8cce5cda1b 100644
--- a/tp/t/results/plaintext_tests/chinese_mixed_with_en.pl
+++ b/tp/t/results/plaintext_tests/chinese_mixed_with_en.pl
@@ -358,8 +358,7 @@ $result_trees{'chinese_mixed_with_en'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -505,8 +504,7 @@ $result_nodes{'chinese_mixed_with_en'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'chinese_mixed_with_en'} = {
@@ -514,8 +512,7 @@ $result_menus{'chinese_mixed_with_en'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'chinese_mixed_with_en'} = [];
diff --git a/tp/t/results/plaintext_tests/japanese_utf8.pl 
b/tp/t/results/plaintext_tests/japanese_utf8.pl
index 4f32c41f36..4c4581940c 100644
--- a/tp/t/results/plaintext_tests/japanese_utf8.pl
+++ b/tp/t/results/plaintext_tests/japanese_utf8.pl
@@ -199,8 +199,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -616,10 +615,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -660,8 +656,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -720,11 +715,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -765,8 +756,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -819,11 +809,7 @@ $result_trees{'japanese_utf8'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/plaintext_tests/line_passed_and_formats.pl 
b/tp/t/results/plaintext_tests/line_passed_and_formats.pl
index cd9f5d94ee..07d5a8bab9 100644
--- a/tp/t/results/plaintext_tests/line_passed_and_formats.pl
+++ b/tp/t/results/plaintext_tests/line_passed_and_formats.pl
@@ -2364,8 +2364,7 @@ $result_trees{'line_passed_and_formats'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/plaintext_tests/no_empty_line_after_section.pl 
b/tp/t/results/plaintext_tests/no_empty_line_after_section.pl
index 7e31978300..dc33291e1f 100644
--- a/tp/t/results/plaintext_tests/no_empty_line_after_section.pl
+++ b/tp/t/results/plaintext_tests/no_empty_line_after_section.pl
@@ -69,10 +69,7 @@ $result_trees{'no_empty_line_after_section'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -155,11 +152,7 @@ $result_trees{'no_empty_line_after_section'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -259,11 +252,7 @@ $result_trees{'no_empty_line_after_section'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -331,11 +320,7 @@ $result_trees{'no_empty_line_after_section'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.2'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/plaintext_tests/non_break_spaces.pl 
b/tp/t/results/plaintext_tests/non_break_spaces.pl
index d721d6777b..b717f99e06 100644
--- a/tp/t/results/plaintext_tests/non_break_spaces.pl
+++ b/tp/t/results/plaintext_tests/non_break_spaces.pl
@@ -112,8 +112,7 @@ $result_trees{'non_break_spaces'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -153,8 +152,7 @@ $result_nodes{'non_break_spaces'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'non_break_spaces'} = {
@@ -162,8 +160,7 @@ $result_menus{'non_break_spaces'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'non_break_spaces'} = [];
diff --git a/tp/t/results/plaintext_tests/quote_node_names.pl 
b/tp/t/results/plaintext_tests/quote_node_names.pl
index 0c7a3acc96..95b42c969d 100644
--- a/tp/t/results/plaintext_tests/quote_node_names.pl
+++ b/tp/t/results/plaintext_tests/quote_node_names.pl
@@ -51,8 +51,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -144,8 +143,7 @@ $result_trees{'quote_node_names'} = {
                     'line_nr' => 35,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -295,8 +293,7 @@ $result_trees{'quote_node_names'} = {
                     'line_nr' => 27,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -446,8 +443,7 @@ $result_trees{'quote_node_names'} = {
                     'line_nr' => 32,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -668,8 +664,7 @@ $result_trees{'quote_node_names'} = {
                     'line_nr' => 38,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1196,10 +1191,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1253,11 +1245,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1294,11 +1282,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1335,11 +1319,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {},
     {
@@ -1394,11 +1374,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 39,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1457,8 +1433,7 @@ $result_trees{'quote_node_names'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/plaintext_tests/settitle_and_empty_top.pl 
b/tp/t/results/plaintext_tests/settitle_and_empty_top.pl
index f8ab161dd6..29e46c61b4 100644
--- a/tp/t/results/plaintext_tests/settitle_and_empty_top.pl
+++ b/tp/t/results/plaintext_tests/settitle_and_empty_top.pl
@@ -73,10 +73,7 @@ $result_trees{'settitle_and_empty_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/preformatted/caption_in_example.pl 
b/tp/t/results/preformatted/caption_in_example.pl
index c85555d39e..cde07fb652 100644
--- a/tp/t/results/preformatted/caption_in_example.pl
+++ b/tp/t/results/preformatted/caption_in_example.pl
@@ -204,8 +204,7 @@ $result_trees{'caption_in_example'} = {
             'line_nr' => 1,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         }
       ],
       'parent' => {},
diff --git a/tp/t/results/regions/anchor_in_copying.pl 
b/tp/t/results/regions/anchor_in_copying.pl
index d91b36ced9..db3311a100 100644
--- a/tp/t/results/regions/anchor_in_copying.pl
+++ b/tp/t/results/regions/anchor_in_copying.pl
@@ -278,8 +278,7 @@ $result_trees{'anchor_in_copying'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -358,8 +357,7 @@ $result_nodes{'anchor_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_copying'} = {
@@ -367,8 +365,7 @@ $result_menus{'anchor_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_copying'} = [];
diff --git a/tp/t/results/regions/anchor_in_copying_in_footnote.pl 
b/tp/t/results/regions/anchor_in_copying_in_footnote.pl
index 1cd04a3f7b..37b40d0271 100644
--- a/tp/t/results/regions/anchor_in_copying_in_footnote.pl
+++ b/tp/t/results/regions/anchor_in_copying_in_footnote.pl
@@ -309,8 +309,7 @@ $result_trees{'anchor_in_copying_in_footnote'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -393,8 +392,7 @@ $result_nodes{'anchor_in_copying_in_footnote'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_copying_in_footnote'} = {
@@ -402,8 +400,7 @@ $result_menus{'anchor_in_copying_in_footnote'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_copying_in_footnote'} = [];
diff --git a/tp/t/results/regions/anchor_in_titlepage.pl 
b/tp/t/results/regions/anchor_in_titlepage.pl
index 470adb8932..5a5cc5687f 100644
--- a/tp/t/results/regions/anchor_in_titlepage.pl
+++ b/tp/t/results/regions/anchor_in_titlepage.pl
@@ -142,10 +142,7 @@ $result_trees{'anchor_in_titlepage'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -235,8 +232,7 @@ $result_trees{'anchor_in_titlepage'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -317,8 +313,7 @@ $result_nodes{'anchor_in_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_titlepage'} = {
@@ -326,8 +321,7 @@ $result_menus{'anchor_in_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_titlepage'} = [];
diff --git a/tp/t/results/regions/anchor_in_titlepage_titlepage.pl 
b/tp/t/results/regions/anchor_in_titlepage_titlepage.pl
index 878ae426c9..368a8bd124 100644
--- a/tp/t/results/regions/anchor_in_titlepage_titlepage.pl
+++ b/tp/t/results/regions/anchor_in_titlepage_titlepage.pl
@@ -142,10 +142,7 @@ $result_trees{'anchor_in_titlepage_titlepage'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -235,8 +232,7 @@ $result_trees{'anchor_in_titlepage_titlepage'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -317,8 +313,7 @@ $result_nodes{'anchor_in_titlepage_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_in_titlepage_titlepage'} = {
@@ -326,8 +321,7 @@ $result_menus{'anchor_in_titlepage_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_in_titlepage_titlepage'} = [];
diff --git a/tp/t/results/regions/format_in_titlepage.pl 
b/tp/t/results/regions/format_in_titlepage.pl
index 734c7990f4..5c2dcc047a 100644
--- a/tp/t/results/regions/format_in_titlepage.pl
+++ b/tp/t/results/regions/format_in_titlepage.pl
@@ -194,8 +194,7 @@ $result_trees{'format_in_titlepage'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -249,8 +248,7 @@ $result_nodes{'format_in_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'format_in_titlepage'} = {
@@ -258,8 +256,7 @@ $result_menus{'format_in_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'format_in_titlepage'} = [];
diff --git a/tp/t/results/regions/format_in_titlepage_titlepage.pl 
b/tp/t/results/regions/format_in_titlepage_titlepage.pl
index 1a6e320d6b..5f13b3ab2c 100644
--- a/tp/t/results/regions/format_in_titlepage_titlepage.pl
+++ b/tp/t/results/regions/format_in_titlepage_titlepage.pl
@@ -194,8 +194,7 @@ $result_trees{'format_in_titlepage_titlepage'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -249,8 +248,7 @@ $result_nodes{'format_in_titlepage_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'format_in_titlepage_titlepage'} = {
@@ -258,8 +256,7 @@ $result_menus{'format_in_titlepage_titlepage'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'format_in_titlepage_titlepage'} = [];
diff --git a/tp/t/results/regions/ref_in_copying.pl 
b/tp/t/results/regions/ref_in_copying.pl
index 7465197eb3..530581ee85 100644
--- a/tp/t/results/regions/ref_in_copying.pl
+++ b/tp/t/results/regions/ref_in_copying.pl
@@ -78,8 +78,7 @@ $result_trees{'ref_in_copying'} = {
                         'line_nr' => 14,
                         'macro' => ''
                       },
-                      'parent' => {},
-                      'structure' => {}
+                      'parent' => {}
                     },
                     'node_argument' => {
                       'node_content' => [
@@ -194,8 +193,7 @@ $result_trees{'ref_in_copying'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -370,10 +368,7 @@ $result_trees{'ref_in_copying'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {},
     {
@@ -410,11 +405,7 @@ $result_trees{'ref_in_copying'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/regions/today_in_copying.pl 
b/tp/t/results/regions/today_in_copying.pl
index 7092878088..67852f701f 100644
--- a/tp/t/results/regions/today_in_copying.pl
+++ b/tp/t/results/regions/today_in_copying.pl
@@ -139,8 +139,7 @@ $result_trees{'today_in_copying'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -193,10 +192,7 @@ $result_trees{'today_in_copying'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -255,8 +251,7 @@ $result_sectioning{'today_in_copying'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -284,8 +279,7 @@ $result_nodes{'today_in_copying'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'today_in_copying'} = {
@@ -293,8 +287,7 @@ $result_menus{'today_in_copying'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'today_in_copying'} = [];
diff --git a/tp/t/results/sectioning/a_comma_after_node.pl 
b/tp/t/results/sectioning/a_comma_after_node.pl
index 603196a8d0..be8d5219ac 100644
--- a/tp/t/results/sectioning/a_comma_after_node.pl
+++ b/tp/t/results/sectioning/a_comma_after_node.pl
@@ -105,8 +105,7 @@ $result_trees{'a_comma_after_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/anchor_in_footnote.pl 
b/tp/t/results/sectioning/anchor_in_footnote.pl
index b2c1ac79b5..c83b823a0a 100644
--- a/tp/t/results/sectioning/anchor_in_footnote.pl
+++ b/tp/t/results/sectioning/anchor_in_footnote.pl
@@ -51,8 +51,7 @@ $result_trees{'anchor_in_footnote'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -287,10 +286,7 @@ $result_trees{'anchor_in_footnote'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -331,8 +327,7 @@ $result_trees{'anchor_in_footnote'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -410,11 +405,7 @@ $result_trees{'anchor_in_footnote'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/anchor_in_footnote_separate.pl 
b/tp/t/results/sectioning/anchor_in_footnote_separate.pl
index 58ea45dd1b..e3387e4faa 100644
--- a/tp/t/results/sectioning/anchor_in_footnote_separate.pl
+++ b/tp/t/results/sectioning/anchor_in_footnote_separate.pl
@@ -83,8 +83,7 @@ $result_trees{'anchor_in_footnote_separate'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -319,10 +318,7 @@ $result_trees{'anchor_in_footnote_separate'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -363,8 +359,7 @@ $result_trees{'anchor_in_footnote_separate'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -442,11 +437,7 @@ $result_trees{'anchor_in_footnote_separate'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/anchor_zero.pl 
b/tp/t/results/sectioning/anchor_zero.pl
index 0ce386e43c..714f0d802d 100644
--- a/tp/t/results/sectioning/anchor_zero.pl
+++ b/tp/t/results/sectioning/anchor_zero.pl
@@ -145,8 +145,7 @@ $result_trees{'anchor_zero'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -192,8 +191,7 @@ $result_nodes{'anchor_zero'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'anchor_zero'} = {
@@ -201,8 +199,7 @@ $result_menus{'anchor_zero'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'anchor_zero'} = [];
diff --git a/tp/t/results/sectioning/at_commands_in_node.pl 
b/tp/t/results/sectioning/at_commands_in_node.pl
index b61f54e10f..64bdd1ad39 100644
--- a/tp/t/results/sectioning/at_commands_in_node.pl
+++ b/tp/t/results/sectioning/at_commands_in_node.pl
@@ -295,8 +295,7 @@ $result_trees{'at_commands_in_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/chapter_before_and_after_part.pl 
b/tp/t/results/sectioning/chapter_before_and_after_part.pl
index 9e14f63647..c4c35b6ad8 100644
--- a/tp/t/results/sectioning/chapter_before_and_after_part.pl
+++ b/tp/t/results/sectioning/chapter_before_and_after_part.pl
@@ -10,188 +10,183 @@ $result_trees{'chapter_before_and_after_part'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter 2'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'args' => [
+                    {
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'misc_arg'
+                    }
+                  ],
+                  'cmdname' => 'contents',
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 7,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                }
+              ],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter 2'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'misc_arg'
-              }
-            ],
-            'cmdname' => 'contents',
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 7,
-              'macro' => ''
-            },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 2
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'chapter_before_and_after_part'}[0];
-$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'chapter_before_and_after_part'}[0];
-$result_trees{'chapter_before_and_after_part'}[0]{'extra'}{'section'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'chapter_before_and_after_part'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'extra'}{'associated_part'}
 = $result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'chapter_before_and_after_part'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'extra'}{'section'} = 
$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1];
-$result_trees{'chapter_before_and_after_part'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'chapter_before_and_after_part'}[0];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'associated_part'}
 = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[1] = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[0]{'extra'}{'section'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[0] = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_and_after_part'}[1]{'contents'}[1] = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_before_and_after_part'}[1]{'extra'}{'section'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_before_and_after_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_and_after_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'chapter_before_and_after_part'} = '@chapter chapter
 
@@ -224,46 +219,90 @@ $result_sectioning{'chapter_before_and_after_part'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 1,
-          'number' => 1,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
+          'associated_unit' => {
             'extra' => {
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
+              'section' => {},
+              'unit_command' => {}
             },
             'structure' => {
-              'level' => 1,
-              'number' => 2,
-              'section_up' => {},
-              'toplevel_prev' => {}
-            }
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'associated_part' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'part_associated_section' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0,
+                            'section_childs' => [
+                              {}
+                            ],
+                            'section_up' => {}
+                          }
+                        },
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 2,
+                        'section_up' => {},
+                        'toplevel_prev' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
           },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {}
-          ],
+          'level' => 1,
+          'number' => 1,
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_and_after_part'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_and_after_part'};
-$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_and_after_part'};
+$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'chapter_before_and_after_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_errors{'chapter_before_and_after_part'} = [];
 
@@ -280,6 +319,7 @@ $result_elements{'chapter_before_and_after_part'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -299,12 +339,14 @@ $result_elements{'chapter_before_and_after_part'} = [
                     'spaces_before_argument' => ' '
                   },
                   'structure' => {
+                    'associated_unit' => {},
                     'level' => 0
                   }
                 },
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 2
               }
@@ -328,7 +370,10 @@ $result_elements{'chapter_before_and_after_part'} = [
   },
   {}
 ];
+$result_elements{'chapter_before_and_after_part'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'chapter_before_and_after_part'}[0];
 $result_elements{'chapter_before_and_after_part'}[0]{'extra'}{'unit_command'} 
= $result_elements{'chapter_before_and_after_part'}[0]{'extra'}{'section'};
+$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'chapter_before_and_after_part'}[0];
 
$result_elements{'chapter_before_and_after_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'chapter_before_and_after_part'}[0];
diff --git a/tp/t/results/sectioning/chapter_before_part.pl 
b/tp/t/results/sectioning/chapter_before_part.pl
index ea8c0543bf..ca94ba986b 100644
--- a/tp/t/results/sectioning/chapter_before_part.pl
+++ b/tp/t/results/sectioning/chapter_before_part.pl
@@ -10,115 +10,112 @@ $result_trees{'chapter_before_part'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'chapter_before_part'}[0];
-$result_trees{'chapter_before_part'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_part'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'chapter_before_part'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_part'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_part'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'chapter_before_part'}[0];
-$result_trees{'chapter_before_part'}[0]{'extra'}{'section'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[1];
-$result_trees{'chapter_before_part'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_before_part'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'chapter_before_part'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'chapter_before_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_part'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'chapter_before_part'}[1];
-$result_trees{'chapter_before_part'}[1]{'extra'}{'section'} = 
$result_trees{'chapter_before_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_part'}[1]{'contents'}[0];
-$result_trees{'chapter_before_part'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'chapter_before_part'}[0];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'chapter_before_part'}[0]{'contents'}[0];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_before_part'}[0]{'contents'}[1] = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_part'}[0]{'extra'}{'section'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_before_part'}[1]{'contents'}[0] = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_part'}[1]{'extra'}{'section'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_before_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'chapter_before_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'chapter_before_part'} = '@chapter chapter
 
@@ -143,26 +140,64 @@ $result_sectioning{'chapter_before_part'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Forward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'part',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 0,
+                        'section_up' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
           'level' => 1,
           'number' => 1,
           'section_up' => {}
         }
       },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      }
+      {}
     ]
   }
 };
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_part'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_part'};
-$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_before_part'};
+$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'chapter_before_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'};
 
 $result_errors{'chapter_before_part'} = [
   {
@@ -189,6 +224,7 @@ $result_elements{'chapter_before_part'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -205,6 +241,7 @@ $result_elements{'chapter_before_part'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 0
               }
             },
@@ -225,7 +262,9 @@ $result_elements{'chapter_before_part'} = [
   },
   {}
 ];
+$result_elements{'chapter_before_part'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'chapter_before_part'}[0];
 $result_elements{'chapter_before_part'}[0]{'extra'}{'unit_command'} = 
$result_elements{'chapter_before_part'}[0]{'extra'}{'section'};
+$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'};
 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'section'};
 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'chapter_before_part'}[0];
 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'chapter_before_part'}[0]{'structure'}{'directions'}{'Forward'};
diff --git a/tp/t/results/sectioning/chapter_between_nodes.pl 
b/tp/t/results/sectioning/chapter_between_nodes.pl
index 255cf8b57b..a9c7e99e54 100644
--- a/tp/t/results/sectioning/chapter_between_nodes.pl
+++ b/tp/t/results/sectioning/chapter_between_nodes.pl
@@ -87,8 +87,7 @@ $result_trees{'chapter_between_nodes'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -251,10 +250,7 @@ $result_trees{'chapter_between_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -307,11 +303,7 @@ $result_trees{'chapter_between_nodes'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -380,8 +372,7 @@ $result_trees{'chapter_between_nodes'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -451,11 +442,7 @@ $result_trees{'chapter_between_nodes'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/chapter_node_before_and_after_part.pl 
b/tp/t/results/sectioning/chapter_node_before_and_after_part.pl
index f140333e69..27cba97474 100644
--- a/tp/t/results/sectioning/chapter_node_before_and_after_part.pl
+++ b/tp/t/results/sectioning/chapter_node_before_and_after_part.pl
@@ -58,8 +58,7 @@ $result_trees{'chapter_node_before_and_after_part'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -211,11 +210,7 @@ $result_trees{'chapter_node_before_and_after_part'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -251,10 +246,7 @@ $result_trees{'chapter_node_before_and_after_part'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -295,8 +287,7 @@ $result_trees{'chapter_node_before_and_after_part'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -350,11 +341,7 @@ $result_trees{'chapter_node_before_and_after_part'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/chapter_sections.pl 
b/tp/t/results/sectioning/chapter_sections.pl
index 87d46f8276..4f331ddebf 100644
--- a/tp/t/results/sectioning/chapter_sections.pl
+++ b/tp/t/results/sectioning/chapter_sections.pl
@@ -10,469 +10,430 @@ $result_trees{'chapter_sections'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'First chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'section',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 7,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Section of chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'section',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
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+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[0]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = $result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'chapter_sections'}[0]{'contents'}[1] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_sections'}[0]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_sections'}[0]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'chapter_sections'}[1]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_sections'}[1]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_sections'}[1]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'chapter_sections'}[2]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_sections'}[2]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_sections'}[2]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'chapter_sections'}[3]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'chapter_sections'}[3]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'chapter_sections'}[3]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'chapter_sections'}[4]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'chapter_sections'}[4]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'chapter_sections'}[4]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'chapter_sections'}[5]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'chapter_sections'}[5]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'chapter_sections'}[5]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'chapter_sections'}[6]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'chapter_sections'}[6]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'chapter_sections'}[6]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'chapter_sections'}[7]{'contents'}[0] = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'chapter_sections'}[7]{'extra'}{'section'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'chapter_sections'}[7]{'extra'}{'unit_command'} = 
$result_trees{'chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
 
 $result_texis{'chapter_sections'} = '@unnumbered unnumbered
 
@@ -527,118 +488,346 @@ $result_sectioning{'chapter_sections'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 1,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'chapter',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'number' => 1,
-          'section_childs' => [
-            {
-              'cmdname' => 'section',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 2,
-                'number' => '1.1',
-                'section_up' => {}
-              }
-            }
-          ],
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
-        }
-      },
-      {
-        'cmdname' => 'chapter',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'number' => 2,
-          'section_childs' => [
-            {
-              'cmdname' => 'section',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 2,
-                'number' => '2.1',
-                'section_childs' => [
-                  {
-                    'cmdname' => 'subsection',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 1,
+                        'section_childs' => [
+                          {
+                            'cmdname' => 'section',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'FastForward' => {
+                                      'extra' => {
+                                        'section' => {
+                                          'cmdname' => 'chapter',
+                                          'extra' => {
+                                            'spaces_before_argument' => ' '
+                                          },
+                                          'structure' => {
+                                            'associated_unit' => {},
+                                            'level' => 1,
+                                            'number' => 2,
+                                            'section_childs' => [
+                                              {
+                                                'cmdname' => 'section',
+                                                'extra' => {
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {
+                                                    'extra' => {
+                                                      'section' => {},
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'FastForward' => {
+                                                          'extra' => {
+                                                            'section' => {
+                                                              'cmdname' => 
'chapter',
+                                                              'extra' => {
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 1,
+                                                                'number' => 3,
+                                                                'section_prev' 
=> {},
+                                                                'section_up' 
=> {},
+                                                                
'toplevel_prev' => {}
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {
+                                                                'extra' => {
+                                                                  'section' => 
{
+                                                                    'cmdname' 
=> 'subsection',
+                                                                    'extra' => 
{
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {},
+                                                                      'level' 
=> 3,
+                                                                      'number' 
=> '2.1.2',
+                                                                      
'section_prev' => {
+                                                                        
'cmdname' => 'subsection',
+                                                                        
'extra' => {
+                                                                          
'spaces_before_argument' => ' '
+                                                                        },
+                                                                        
'structure' => {
+                                                                          
'associated_unit' => {
+                                                                            
'extra' => {
+                                                                              
'section' => {},
+                                                                              
'unit_command' => {}
+                                                                            },
+                                                                            
'structure' => {
+                                                                              
'directions' => {
+                                                                               
 'Back' => {},
+                                                                               
 'FastBack' => {},
+                                                                               
 'FastForward' => {},
+                                                                               
 'Forward' => {},
+                                                                               
 'Next' => {},
+                                                                               
 'This' => {},
+                                                                               
 'Up' => {}
+                                                                              
},
+                                                                              
'unit_next' => {},
+                                                                              
'unit_prev' => {}
+                                                                            },
+                                                                            
'type' => 'unit'
+                                                                          },
+                                                                          
'level' => 3,
+                                                                          
'number' => '2.1.1',
+                                                                          
'section_up' => {}
+                                                                        }
+                                                                      },
+                                                                      
'section_up' => {}
+                                                                    }
+                                                                  },
+                                                                  
'unit_command' => {}
+                                                                },
+                                                                'structure' => 
{
+                                                                  'directions' 
=> {
+                                                                    'Back' => 
{},
+                                                                    'FastBack' 
=> {},
+                                                                    
'FastForward' => {},
+                                                                    'Forward' 
=> {},
+                                                                    'Prev' => 
{},
+                                                                    'This' => 
{},
+                                                                    'Up' => {}
+                                                                  },
+                                                                  'unit_next' 
=> {},
+                                                                  'unit_prev' 
=> {}
+                                                                },
+                                                                'type' => 
'unit'
+                                                              },
+                                                              'FastBack' => {},
+                                                              'Prev' => {},
+                                                              'This' => {}
+                                                            },
+                                                            'unit_prev' => {}
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
+                                                        'Forward' => {},
+                                                        'This' => {},
+                                                        'Up' => {}
+                                                      },
+                                                      'unit_next' => {},
+                                                      'unit_prev' => {}
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'level' => 2,
+                                                  'number' => '2.1',
+                                                  'section_childs' => [
+                                                    {},
+                                                    {}
+                                                  ],
+                                                  'section_up' => {}
+                                                }
+                                              }
+                                            ],
+                                            'section_prev' => {},
+                                            'section_up' => {},
+                                            'toplevel_prev' => {}
+                                          }
+                                        },
+                                        'unit_command' => {}
+                                      },
+                                      'structure' => {
+                                        'directions' => {
+                                          'Back' => {},
+                                          'FastBack' => {},
+                                          'FastForward' => {},
+                                          'Forward' => {},
+                                          'Next' => {},
+                                          'Prev' => {},
+                                          'This' => {}
+                                        },
+                                        'unit_next' => {},
+                                        'unit_prev' => {}
+                                      },
+                                      'type' => 'unit'
+                                    },
+                                    'Forward' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_next' => {},
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 2,
+                              'number' => '1.1',
+                              'section_up' => {}
+                            }
+                          }
+                        ],
+                        'section_prev' => {},
+                        'section_up' => {},
+                        'toplevel_prev' => {}
+                      }
                     },
-                    'structure' => {
-                      'level' => 3,
-                      'number' => '2.1.1',
-                      'section_up' => {}
-                    }
+                    'unit_command' => {}
                   },
-                  {
-                    'cmdname' => 'subsection',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'FastForward' => {},
+                      'Forward' => {},
+                      'Next' => {},
+                      'Prev' => {},
+                      'This' => {}
                     },
-                    'structure' => {
-                      'level' => 3,
-                      'number' => '2.1.2',
-                      'section_prev' => {},
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_up' => {}
-              }
-            }
-          ],
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
-        }
-      },
-      {
-        'cmdname' => 'chapter',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
+                    'unit_next' => {},
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'Next' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
           'level' => 1,
-          'number' => 3,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
+          'section_up' => {}
         }
-      }
+      },
+      {},
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'sectio
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'str
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associa
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'ass
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning{'chapter_section [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'chapter_sections'} [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'chapter_sections' [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_c [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 =  [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'stru
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $resu [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_sectioning{'chapter [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_sectionin [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_secti [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_se [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_sectio [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_sectionin [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_sectionin [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{ [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = $result_sectioning{'chapte [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = $result_sectioning{'chapte [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'chapter_sections'}{'structur [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{ [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'chapter_sections'}{'structure'}{ [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_ [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'asso
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associa
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associate
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directio
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directio
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_c
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'struc
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'asso
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associa
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'
 [...]
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = $result_sectioning{'chapter_sections'};
-$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2];
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[2] = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[3] = 
$result_sectioning{'chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_errors{'chapter_sections'} = [];
 
@@ -655,6 +844,7 @@ $result_elements{'chapter_sections'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1
         }
       },
@@ -670,6 +860,7 @@ $result_elements{'chapter_sections'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -688,6 +879,7 @@ $result_elements{'chapter_sections'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 2
                     }
@@ -704,6 +896,7 @@ $result_elements{'chapter_sections'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 2,
                             'number' => '1.1'
                           }
@@ -731,6 +924,7 @@ $result_elements{'chapter_sections'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 1,
                             'number' => 3
                           }
@@ -747,6 +941,7 @@ $result_elements{'chapter_sections'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 3,
                                   'number' => '2.1.2'
                                 }
@@ -763,6 +958,7 @@ $result_elements{'chapter_sections'} = [
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
+                                        'associated_unit' => {},
                                         'level' => 3,
                                         'number' => '2.1.1'
                                       }
@@ -779,6 +975,7 @@ $result_elements{'chapter_sections'} = [
                                               'spaces_before_argument' => ' '
                                             },
                                             'structure' => {
+                                              'associated_unit' => {},
                                               'level' => 2,
                                               'number' => '2.1'
                                             }
@@ -855,11 +1052,15 @@ $result_elements{'chapter_sections'} = [
   {},
   {}
 ];
+$result_elements{'chapter_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'chapter_sections'}[0];
 $result_elements{'chapter_sections'}[0]{'extra'}{'unit_command'} = 
$result_elements{'chapter_sections'}[0]{'extra'}{'section'};
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'chapter_sections'}[0];
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'chapter_sections'}[0];
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
@@ -868,9 +1069,13 @@ 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'
 [...]
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'
 [...]
+$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'
 [...]
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
diff --git a/tp/t/results/sectioning/character_and_spaces_in_node.pl 
b/tp/t/results/sectioning/character_and_spaces_in_node.pl
index 81a3ec76aa..adf3980d36 100644
--- a/tp/t/results/sectioning/character_and_spaces_in_node.pl
+++ b/tp/t/results/sectioning/character_and_spaces_in_node.pl
@@ -58,8 +58,7 @@ $result_trees{'character_and_spaces_in_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -155,8 +154,7 @@ $result_trees{'character_and_spaces_in_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -252,8 +250,7 @@ $result_trees{'character_and_spaces_in_node'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -343,8 +340,7 @@ $result_trees{'character_and_spaces_in_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -423,8 +419,7 @@ $result_trees{'character_and_spaces_in_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/character_and_spaces_in_refs.pl 
b/tp/t/results/sectioning/character_and_spaces_in_refs.pl
index 09d3e7b014..64bfd56878 100644
--- a/tp/t/results/sectioning/character_and_spaces_in_refs.pl
+++ b/tp/t/results/sectioning/character_and_spaces_in_refs.pl
@@ -51,8 +51,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -221,8 +220,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
             'line_nr' => 8,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -550,8 +548,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
             'line_nr' => 16,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -678,8 +675,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
                     'line_nr' => 32,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -811,8 +807,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
                     'line_nr' => 34,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -975,8 +970,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
                     'line_nr' => 36,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -1016,10 +1010,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1115,8 +1106,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1382,11 +1372,7 @@ $result_trees{'character_and_spaces_in_refs'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {},
     {},
diff --git a/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl 
b/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
index 14b0165e0b..0bf17b3d10 100644
--- a/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
+++ b/tp/t/results/sectioning/character_and_spaces_in_refs_out.pl
@@ -10,1685 +10,1675 @@ $result_trees{'character_and_spaces_in_refs_out'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
+        'parent' => {
+          'contents' => [
+            {},
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Test refs'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
-                },
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'other nodes'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'other-nodes'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'contents' => [
-                  {
-                    'parent' => {},
-                    'text' => 'Testing distant nodes'
-                  }
-                ],
-                'extra' => {
-                  'spaces_after_argument' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Test refs'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'type' => 'line_arg'
-              }
-            ],
-            'cmdname' => 'subheading',
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 8,
-              'macro' => ''
-            },
-            'parent' => {},
-            'structure' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'a  node'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => ' ',
-                      'spaces_before_argument' => ' '
+                      'type' => 'empty_line_after_command'
                     },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'manual'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'other nodes'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'other-nodes'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
                     },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'ref',
-                'contents' => [],
-                'extra' => {
-                  'node_argument' => {
-                    'node_content' => [
-                      {}
-                    ]
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 10,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => '
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
 '
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => ':'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'manual'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'ref',
-                'contents' => [],
-                'extra' => {
-                  'node_argument' => {
-                    'node_content' => [
-                      {}
-                    ]
-                  }
+                  'parent' => {}
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 11,
-                  'macro' => ''
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
                 },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => '
+                {
+                  'args' => [
+                    {
+                      'contents' => [
+                        {
+                          'parent' => {},
+                          'text' => 'Testing distant nodes'
+                        }
+                      ],
+                      'extra' => {
+                        'spaces_after_argument' => '
 '
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'top'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => ' ',
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                      },
+                      'parent' => {},
+                      'type' => 'line_arg'
+                    }
+                  ],
+                  'cmdname' => 'subheading',
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 8,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'manual'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'ref',
-                'contents' => [],
-                'extra' => {
-                  'node_argument' => {
-                    'node_content' => [
-                      {}
-                    ]
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 12,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => '
-'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => '('
-                      },
-                      {
-                        'parent' => {},
-                        'text' => 'texinfo'
-                      },
-                      {
-                        'parent' => {},
-                        'text' => ')'
-                      },
-                      {
-                        'parent' => {},
-                        'text' => 'Cross References'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'ref',
-                'contents' => [],
-                'extra' => {
-                  'node_argument' => {
-                    'manual_content' => [
-                      {}
-                    ],
-                    'node_content' => [
-                      {}
-                    ]
-                  }
+                  'parent' => {}
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 13,
-                  'macro' => ''
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
                 },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => '
-'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => '../manual/doc'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'a  node'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => ' ',
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        },
+                        {
+                          'contents' => [],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        },
+                        {
+                          'contents' => [],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'manual'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'ref',
+                      'contents' => [],
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                           'normalized' => 'local-node'
-                        },
-                        undef,
-                        {
-                          'node_content' => [
-                            {}
-                          ],
-                          'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e'
-                        },
-                        {
-                          'node_content' => [
-                            {}
-                          ],
-                          'normalized' => 'other-nodes'
                         }
-                      ],
-                      'normalized' => 'local-node',
-                      'spaces_before_argument' => '  '
-                    },
-                    'line_nr' => {
-                      'file_name' => '',
-                      'line_nr' => 36,
-                      'macro' => ''
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 29,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
                     },
-                    'parent' => {
-                      'contents' => [
-                        {},
+                    {
+                      'args' => [
                         {
-                          'args' => [
+                          'contents' => [
                             {
                               'parent' => {},
-                              'text' => '
-',
-                              'type' => 'misc_arg'
+                              'text' => 'menu'
                             }
                           ],
-                          'cmdname' => 'bye',
-                          'parent' => {}
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
                         }
                       ],
+                      'cmdname' => 'end',
                       'extra' => {
-                        'node' => {},
-                        'unit_command' => {}
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
                       },
-                      'structure' => {
-                        'unit_prev' => {}
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 30,
+                        'macro' => ''
                       },
-                      'type' => 'unit'
-                    },
-                    'structure' => {}
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  'node_argument' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'local-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 21,
-                  'macro' => ''
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 26,
+                    'macro' => ''
+                  },
+                  'parent' => {}
                 },
-                'parent' => {}
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => '
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 24,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {},
+            {},
+            {},
+            {
+              'args' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                  'type' => 'misc_arg'
+                }
+              ],
+              'cmdname' => 'bye',
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
-  {},
-  {},
-  {},
-  {}
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  }
 ];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'character_and_spaces_in_refs_out'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'character_and_spaces_in_refs_out'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[6]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[7]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[8]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'contents'}[9]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[6]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[7]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[7];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[7]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[8]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'contents'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'extra'}{'node'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'extra'}{'unit_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'extra'}{'node'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'extra'}{'section'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'extra'}{'unit_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}{'structure'}{'unit_prev'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'}{'contents'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'}{'extra'}{'node'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'}{'extra'}{'unit_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'label'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'contents'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'extra'}{'node'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'extra'}{'unit_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'};
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[7]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[10]{'parent'}
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'parent'} 
= $result_trees{'character_and_spaces_in_refs_out'}[0];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'section'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2];
-$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'unit_command'} 
= $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1];
-$result_trees{'character_and_spaces_in_refs_out'}[1] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}{'structure'}{'unit_prev'};
-$result_trees{'character_and_spaces_in_refs_out'}[2] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'};
-$result_trees{'character_and_spaces_in_refs_out'}[3] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'};
-$result_trees{'character_and_spaces_in_refs_out'}[4] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'manual_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'args'}[0]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[6]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[7]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[8]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'contents'}[9]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[6]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[7]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[7];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[7]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[8]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'label'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[5]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[2]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'}{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'node_argument'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[7]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[10]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[5]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[6]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[7]
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'};
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[1] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[2] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'section'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'character_and_spaces_in_refs_out'}[0]{'extra'}{'unit_command'} 
= 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'character_and_spaces_in_refs_out'}[1]{'contents'}[0] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[1]{'contents'}[1] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[1]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[1]{'extra'}{'section'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'character_and_spaces_in_refs_out'}[1]{'extra'}{'unit_command'} 
= 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'character_and_spaces_in_refs_out'}[2]{'contents'}[0] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[2]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[2]{'extra'}{'unit_command'} 
= 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[0]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[3]{'contents'}[0] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[3]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[3]{'extra'}{'unit_command'} 
= 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[2]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[4]{'contents'}[0] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[4]{'contents'}[1] = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'character_and_spaces_in_refs_out'}[4]{'extra'}{'node'} = 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
+$result_trees{'character_and_spaces_in_refs_out'}[4]{'extra'}{'unit_command'} 
= 
$result_trees{'character_and_spaces_in_refs_out'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[9]{'contents'}[6]{'extra'}{'label'};
 
 $result_texis{'character_and_spaces_in_refs_out'} = '@node Top
 @top Test refs
@@ -1778,34 +1768,167 @@ $result_sectioning{'character_and_spaces_in_refs_out'} 
= {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'other-nodes',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'Forward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'Forward' => {
+                                  'extra' => {
+                                    'node' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {}
+                                      }
+                                    },
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
+                                      'FastBack' => {},
+                                      'Forward' => {
+                                        'extra' => {
+                                          'node' => {
+                                            'cmdname' => 'node',
+                                            'extra' => {
+                                              'normalized' => 'local-node',
+                                              'spaces_before_argument' => '  '
+                                            },
+                                            'structure' => {
+                                              'associated_unit' => {}
+                                            }
+                                          },
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodePrev' => {},
+                                            'NodeUp' => {},
+                                            'This' => {}
+                                          },
+                                          'unit_prev' => {}
+                                        },
+                                        'type' => 'unit'
+                                      },
+                                      'NodeBack' => {},
+                                      'NodeForward' => {},
+                                      'NodeNext' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'This' => {}
+                                    },
+                                    'unit_next' => {},
+                                    'unit_prev' => {}
+                                  },
+                                  'type' => 'unit'
+                                },
+                                'NodeBack' => {},
+                                'NodeForward' => {},
+                                'NodeNext' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'This' => {}
+                              },
+                              'unit_next' => {},
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'other-nodes',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {}
           ],
           'section_up' => {}
         }
@@ -1813,9 +1936,68 @@ $result_sectioning{'character_and_spaces_in_refs_out'} = 
{
     ]
   }
 };
-$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directi
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'struct
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'assoc
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_u
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'struc
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'struc
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'For
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'struc
 [...]
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'character_and_spaces_in_refs_out'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'character_and_spaces_in_refs_out'};
 
 $result_nodes{'character_and_spaces_in_refs_out'} = {
@@ -1827,6 +2009,181 @@ $result_nodes{'character_and_spaces_in_refs_out'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'other-nodes',
+                      'spaces_before_argument' => ' '
+                    },
+                    'menus' => [
+                      {
+                        'cmdname' => 'menu',
+                        'extra' => {
+                          'end_command' => {
+                            'cmdname' => 'end',
+                            'extra' => {
+                              'command_argument' => 'menu',
+                              'spaces_before_argument' => ' ',
+                              'text_arg' => 'menu'
+                            }
+                          }
+                        }
+                      }
+                    ],
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_child' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {
+                            'extra' => {
+                              'node' => {},
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'Forward' => {
+                                  'extra' => {
+                                    'node' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {},
+                                        'node_next' => {
+                                          'cmdname' => 'node',
+                                          'extra' => {
+                                            'normalized' => 'local-node',
+                                            'spaces_before_argument' => '  '
+                                          },
+                                          'structure' => {
+                                            'associated_unit' => {
+                                              'extra' => {
+                                                'node' => {},
+                                                'unit_command' => {}
+                                              },
+                                              'structure' => {
+                                                'directions' => {
+                                                  'Back' => {},
+                                                  'FastBack' => {},
+                                                  'NodeBack' => {},
+                                                  'NodeForward' => {},
+                                                  'NodePrev' => {},
+                                                  'NodeUp' => {},
+                                                  'This' => {}
+                                                },
+                                                'unit_prev' => {}
+                                              },
+                                              'type' => 'unit'
+                                            },
+                                            'node_prev' => {},
+                                            'node_up' => {}
+                                          }
+                                        },
+                                        'node_prev' => {},
+                                        'node_up' => {}
+                                      }
+                                    },
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
+                                      'FastBack' => {},
+                                      'Forward' => {},
+                                      'NodeBack' => {},
+                                      'NodeForward' => {},
+                                      'NodeNext' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'This' => {}
+                                    },
+                                    'unit_next' => {},
+                                    'unit_prev' => {}
+                                  },
+                                  'type' => 'unit'
+                                },
+                                'NodeBack' => {},
+                                'NodeForward' => {},
+                                'NodeNext' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'This' => {}
+                              },
+                              'unit_next' => {},
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'node_next' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_next' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -1849,89 +2206,83 @@ $result_nodes{'character_and_spaces_in_refs_out'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'other-nodes',
-        'spaces_before_argument' => ' '
-      },
-      'menus' => [
-        {
-          'cmdname' => 'menu',
-          'extra' => {
-            'end_command' => {
-              'cmdname' => 'end',
-              'extra' => {
-                'command_argument' => 'menu',
-                'spaces_before_argument' => ' ',
-                'text_arg' => 'menu'
-              }
-            }
-          }
-        }
-      ],
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'local-node',
-                    'spaces_before_argument' => '  '
-                  },
-                  'structure' => {
-                    'node_prev' => {},
-                    'node_up' => {}
-                  }
-                },
-                'node_prev' => {},
-                'node_up' => {}
-              }
-            },
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_next' => {},
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
-$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'node_next'} = 
$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'di
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structu
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_u
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_u
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associate
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_u
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_uni
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'struct
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 [...]
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 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'struc
 [...]
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 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'struct
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_chil
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_chil
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'asso
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associa
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'s
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forwar
 [...]
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'character_and_spaces_in_refs_out'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'} = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'character_and_spaces_in_refs_out'}{'structure'}{'node_next'} = 
$result_nodes{'character_and_spaces_in_refs_out'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'character_and_spaces_in_refs_out'} = {
   'cmdname' => 'node',
@@ -1940,68 +2291,252 @@ $result_menus{'character_and_spaces_in_refs_out'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'other-nodes',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'local-node',
-                    'spaces_before_argument' => '  '
-                  },
-                  'structure' => {
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'other-nodes' => 1
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'other-nodes',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_child' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'Forward' => {
+                              'extra' => {
+                                'node' => {
+                                  'cmdname' => 'node',
+                                  'extra' => {
+                                    'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'menu_next' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 'local-node',
+                                        'spaces_before_argument' => '  '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {
+                                          'extra' => {
+                                            'node' => {},
+                                            'unit_command' => {}
+                                          },
+                                          'structure' => {
+                                            'directions' => {
+                                              'Back' => {},
+                                              'FastBack' => {},
+                                              'NodeBack' => {},
+                                              'NodeForward' => {},
+                                              'NodePrev' => {},
+                                              'NodeUp' => {},
+                                              'This' => {}
+                                            },
+                                            'unit_prev' => {}
+                                          },
+                                          'type' => 'unit'
+                                        },
+                                        'menu_prev' => {},
+                                        'menu_up' => {},
+                                        'menu_up_hash' => {
+                                          'other-nodes' => 1
+                                        }
+                                      }
+                                    },
+                                    'menu_prev' => {},
+                                    'menu_up' => {},
+                                    'menu_up_hash' => {
+                                      'other-nodes' => 1
+                                    }
+                                  }
+                                },
+                                'unit_command' => {}
+                              },
+                              'structure' => {
+                                'directions' => {
+                                  'Back' => {},
+                                  'FastBack' => {},
+                                  'Forward' => {},
+                                  'NodeBack' => {},
+                                  'NodeForward' => {},
+                                  'NodeNext' => {},
+                                  'NodePrev' => {},
+                                  'NodeUp' => {},
+                                  'This' => {}
+                                },
+                                'unit_next' => {},
+                                'unit_prev' => {}
+                              },
+                              'type' => 'unit'
+                            },
+                            'NodeBack' => {},
+                            'NodeForward' => {},
+                            'NodeNext' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_next' => {},
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_next' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'other-nodes' => 1
+                      }
                     }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
                   }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
                 },
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'other-nodes' => 1
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'other-nodes' => 1
-            }
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'};
-$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'character_and_spaces_in_refs_out'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'character_and_spaces_in_refs_out'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'character_and_spaces_in_refs_out'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'st
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'a
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'character_and_spaces_in_refs_out'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'menu_child'} = 
$result_menus{'character_and_spaces_in_refs_out'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'character_and_spaces_in_refs_out'} = [];
 
@@ -2019,6 +2554,7 @@ $result_elements{'character_and_spaces_in_refs_out'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -2026,90 +2562,20 @@ $result_elements{'character_and_spaces_in_refs_out'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_child' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_next' => {
-                    'cmdname' => 'node',
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
                     'extra' => {
-                      'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
-                      'menu_next' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'local-node',
-                          'spaces_before_argument' => '  '
-                        },
-                        'structure' => {
-                          'menu_prev' => {},
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'other-nodes' => 1
-                          }
-                        }
-                      },
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'other-nodes' => 1
-                      }
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
                     }
                   },
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'other-nodes' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'Forward' => {
-                'extra' => {
-                  'node' => {},
                   'unit_command' => {}
                 },
                 'structure' => {
@@ -2118,31 +2584,93 @@ $result_elements{'character_and_spaces_in_refs_out'} = [
                     'FastBack' => {},
                     'Forward' => {
                       'extra' => {
-                        'node' => {},
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 
'_0021_005f_0022_0023_0024_0025_0026_0027_0028_0029_002a_002b_002d_002e',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_next' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 
'_002f_003b_003c_003d_003e_003f_005b_005c_005d_005e_005f_0060_007c_007e',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {
+                                  'extra' => {
+                                    'node' => {},
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
+                                      'FastBack' => {},
+                                      'Forward' => {
+                                        'extra' => {
+                                          'node' => {
+                                            'cmdname' => 'node',
+                                            'extra' => {
+                                              'normalized' => 'local-node',
+                                              'spaces_before_argument' => '  '
+                                            },
+                                            'structure' => {
+                                              'associated_unit' => {},
+                                              'menu_prev' => {},
+                                              'menu_up' => {},
+                                              'menu_up_hash' => {
+                                                'other-nodes' => 1
+                                              }
+                                            }
+                                          },
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodePrev' => {},
+                                            'NodeUp' => {},
+                                            'This' => {}
+                                          }
+                                        },
+                                        'type' => 'unit'
+                                      },
+                                      'NodeBack' => {},
+                                      'NodeForward' => {},
+                                      'NodeNext' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'This' => {}
+                                    }
+                                  },
+                                  'type' => 'unit'
+                                },
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'other-nodes' => 1
+                                }
+                              }
+                            },
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'other-nodes' => 1
+                            }
+                          }
+                        },
                         'unit_command' => {}
                       },
                       'structure' => {
                         'directions' => {
                           'Back' => {},
                           'FastBack' => {},
-                          'Forward' => {
-                            'extra' => {
-                              'node' => {},
-                              'unit_command' => {}
-                            },
-                            'structure' => {
-                              'directions' => {
-                                'Back' => {},
-                                'FastBack' => {},
-                                'NodeBack' => {},
-                                'NodeForward' => {},
-                                'NodePrev' => {},
-                                'NodeUp' => {},
-                                'This' => {}
-                              }
-                            },
-                            'type' => 'unit'
-                          },
+                          'Forward' => {},
                           'NodeBack' => {},
                           'NodeForward' => {},
                           'NodeNext' => {},
@@ -2158,22 +2686,36 @@ $result_elements{'character_and_spaces_in_refs_out'} = [
                     'NodeNext' => {},
                     'NodePrev' => {},
                     'NodeUp' => {},
-                    'This' => {}
+                    'This' => {},
+                    'Up' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
+              'menu_child' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
@@ -2187,61 +2729,68 @@ $result_elements{'character_and_spaces_in_refs_out'} = [
   {},
   {}
 ];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forw
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'no
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'e
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'e
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'me
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'struc
 [...]
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'unit_command'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'character_and_spaces_in_refs_out'}[0];
-$result_elements{'character_and_spaces_in_refs_out'}[1] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'character_and_spaces_in_refs_out'}[2] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[3] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'character_and_spaces_in_refs_out'}[4] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[1] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[2] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'character_and_spaces_in_refs_out'}[3] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'character_and_spaces_in_refs_out'}[4] = 
$result_elements{'character_and_spaces_in_refs_out'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
 
 
diff --git a/tp/t/results/sectioning/complex.pl 
b/tp/t/results/sectioning/complex.pl
index 695d44711c..a03ad921b1 100644
--- a/tp/t/results/sectioning/complex.pl
+++ b/tp/t/results/sectioning/complex.pl
@@ -10,3168 +10,3125 @@ $result_trees{'complex'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'First node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
+        'parent' => {
+          'contents' => [
+            {},
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'First-node'
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
-                },
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'First node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'First-node'
-                  }
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'First node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'between node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'between-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Second node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::   ',
-                    'type' => 'menu_entry_separator'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'node 2
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'Second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Third node unnumbered'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'unnumbered in Top menu
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'Third-node-unnumbered'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'continuity'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'continuity'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Last node no description'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'First-node'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
+                    'manual_content' => [
                       {}
-                    ],
-                    'normalized' => 'Last-node-no-description'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 9,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    ]
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 10,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {},
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
-    ],
-    'extra' => {
-      'node' => {},
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {},
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'First node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'First node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => ':: ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'First-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'First-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first node chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'First-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'between node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first node chapter text
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'between-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'Second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::   ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'node 2
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'Second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'Third node unnumbered'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => ':: ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'unnumbered in Top menu
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'Third-node-unnumbered'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'continuity'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'continuity'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 8,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'Last node no description'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'Last-node-no-description'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 9,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 10,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-                'type' => 'empty_line_after_command'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {},
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'unnumbered'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'un
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'First node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'unnumbered'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 17,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                    'normalized' => 'First-node'
                   },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'unnumbered2'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'un2
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'unnumbered2'
+                    'normalized' => 'Top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 18,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'First-node',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'numbered'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'nu
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first node chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'numbered'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 19,
-                  'macro' => ''
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first node chapter text
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'contents' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                        'type' => 'after_description_line'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'preformatted'
-                  }
-                ],
-                'parent' => {},
-                'type' => 'menu_comment'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'unnumbered'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => ':: ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'un
 '
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
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-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'section',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => '  '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 57,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 2,
-          'number' => '1.1'
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'between node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'between node, node without sectioning node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'between-node'
-            },
-            undef,
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'between-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 59,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Third node unnumbered'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Second node text
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Third-node-unnumbered'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 63,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node chapter text.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 67,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 2
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Third node unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Third-node-unnumbered'
-            }
-          ],
-          'normalized' => 'Third-node-unnumbered',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 71,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered chapter text.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 72,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'continuity'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Third node unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => '  '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Last node no description'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'continuity'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Third-node-unnumbered'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Last-node-no-description'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'continuity',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 76,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered continuity'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Unumbered and node needed for continuity between 
automatic 
-'
-              },
-              {
-                'parent' => {},
-                'text' => 'directions and lone node.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 77,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Last node no description'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'continuity'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'misc_arg'
-              }
-            ],
-            'cmdname' => 'contents',
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 84,
-              'macro' => ''
-            },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Last-node-no-description'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'continuity'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Last-node-no-description',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 82,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'misc_arg'
-          }
-        ],
-        'cmdname' => 'bye',
-        'parent' => {}
-      }
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {},
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   }
 ];
-$result_trees{'complex'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[0];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex'}[0]{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = $result_trees{'complex'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = $result_trees{'complex'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'extra'}{'end_command'}
 = $result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[0];
-$result_trees{'complex'}[0]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[1];
-$result_trees{'complex'}[0]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[2];
-$result_trees{'complex'}[0]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = $result_trees{'complex'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = $result_trees{'complex'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'end_command'}
 = $result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[1];
-$result_trees{'complex'}[1]{'extra'}{'node'} = 
$result_trees{'complex'}[1]{'contents'}[0];
-$result_trees{'complex'}[1]{'extra'}{'section'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[1]{'contents'}[1];
-$result_trees{'complex'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[0];
-$result_trees{'complex'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[2]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[2]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[2];
-$result_trees{'complex'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = $result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[2];
-$result_trees{'complex'}[2]{'extra'}{'node'} = 
$result_trees{'complex'}[2]{'contents'}[0];
-$result_trees{'complex'}[2]{'extra'}{'section'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[2]{'contents'}[1];
-$result_trees{'complex'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[1];
-$result_trees{'complex'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[3]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[3]{'contents'}[0];
-$result_trees{'complex'}[3]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[3]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[3];
-$result_trees{'complex'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[3]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[3]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[3]{'contents'}[1];
-$result_trees{'complex'}[3]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[3]{'contents'}[1];
-$result_trees{'complex'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[3];
-$result_trees{'complex'}[3]{'extra'}{'node'} = 
$result_trees{'complex'}[3]{'contents'}[0];
-$result_trees{'complex'}[3]{'extra'}{'section'} = 
$result_trees{'complex'}[3]{'contents'}[1];
-$result_trees{'complex'}[3]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[3]{'contents'}[1];
-$result_trees{'complex'}[3]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[2];
-$result_trees{'complex'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[4]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[4]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[4]{'contents'}[0];
-$result_trees{'complex'}[4]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[4]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[4];
-$result_trees{'complex'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[4]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[4]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[4]{'contents'}[1];
-$result_trees{'complex'}[4]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[4]{'contents'}[1];
-$result_trees{'complex'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[4];
-$result_trees{'complex'}[4]{'extra'}{'node'} = 
$result_trees{'complex'}[4]{'contents'}[0];
-$result_trees{'complex'}[4]{'extra'}{'section'} = 
$result_trees{'complex'}[4]{'contents'}[1];
-$result_trees{'complex'}[4]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[4]{'contents'}[1];
-$result_trees{'complex'}[4]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[3];
-$result_trees{'complex'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[5]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[5]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[5]{'contents'}[0];
-$result_trees{'complex'}[5]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[5]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[5];
-$result_trees{'complex'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[5]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[5]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[5]{'contents'}[1];
-$result_trees{'complex'}[5]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[5]{'contents'}[1];
-$result_trees{'complex'}[5]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[5];
-$result_trees{'complex'}[5]{'extra'}{'node'} = 
$result_trees{'complex'}[5]{'contents'}[0];
-$result_trees{'complex'}[5]{'extra'}{'section'} = 
$result_trees{'complex'}[5]{'contents'}[1];
-$result_trees{'complex'}[5]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[5]{'contents'}[1];
-$result_trees{'complex'}[5]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[4];
-$result_trees{'complex'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[6]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[6]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[6]{'contents'}[0];
-$result_trees{'complex'}[6]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[6]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[6];
-$result_trees{'complex'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[6]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[6]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[6]{'contents'}[1];
-$result_trees{'complex'}[6]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[6]{'contents'}[1];
-$result_trees{'complex'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[6];
-$result_trees{'complex'}[6]{'extra'}{'node'} = 
$result_trees{'complex'}[6]{'contents'}[0];
-$result_trees{'complex'}[6]{'extra'}{'section'} = 
$result_trees{'complex'}[6]{'contents'}[1];
-$result_trees{'complex'}[6]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[6]{'contents'}[1];
-$result_trees{'complex'}[6]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[5];
-$result_trees{'complex'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[7]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[7]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[7]{'contents'}[0];
-$result_trees{'complex'}[7]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[7]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[7]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[7];
-$result_trees{'complex'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[7]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[7]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = $result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[7];
-$result_trees{'complex'}[7]{'extra'}{'node'} = 
$result_trees{'complex'}[7]{'contents'}[0];
-$result_trees{'complex'}[7]{'extra'}{'section'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[7]{'contents'}[1];
-$result_trees{'complex'}[7]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[6];
-$result_trees{'complex'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[8]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[8]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[8]{'contents'}[0];
-$result_trees{'complex'}[8]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[8]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[8]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[8];
-$result_trees{'complex'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[8]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[8]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[8]{'contents'}[1];
-$result_trees{'complex'}[8]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[8]{'contents'}[1];
-$result_trees{'complex'}[8]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[8]{'contents'}[1];
-$result_trees{'complex'}[8]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[8];
-$result_trees{'complex'}[8]{'extra'}{'node'} = 
$result_trees{'complex'}[8]{'contents'}[0];
-$result_trees{'complex'}[8]{'extra'}{'section'} = 
$result_trees{'complex'}[8]{'contents'}[1];
-$result_trees{'complex'}[8]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[8]{'contents'}[1];
-$result_trees{'complex'}[8]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[7];
-$result_trees{'complex'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[9]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[9]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[9];
-$result_trees{'complex'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[9]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[9]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[1];
-$result_trees{'complex'}[9]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[1];
-$result_trees{'complex'}[9]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[9];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[9]{'contents'}[2]{'args'}[0];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'} 
= $result_trees{'complex'}[9]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[9]{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[9]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[9]{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[9]{'contents'}[2];
-$result_trees{'complex'}[9]{'contents'}[2]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[9]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = $result_trees{'complex'}[9]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[9]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[9];
-$result_trees{'complex'}[9]{'extra'}{'node'} = 
$result_trees{'complex'}[9]{'contents'}[0];
-$result_trees{'complex'}[9]{'extra'}{'section'} = 
$result_trees{'complex'}[9]{'contents'}[1];
-$result_trees{'complex'}[9]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[9]{'contents'}[1];
-$result_trees{'complex'}[9]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[8];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[1];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[3];
-$result_trees{'complex'}[10]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = $result_trees{'complex'}[10]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[10]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[10];
-$result_trees{'complex'}[10]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[10]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[10]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[10];
-$result_trees{'complex'}[10]{'extra'}{'node'} = 
$result_trees{'complex'}[10]{'contents'}[0];
-$result_trees{'complex'}[10]{'extra'}{'section'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[10]{'contents'}[1];
-$result_trees{'complex'}[10]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[9];
-$result_trees{'complex'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[11]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[11]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[11]{'contents'}[0];
-$result_trees{'complex'}[11]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[11]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[11]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[11];
-$result_trees{'complex'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[11]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[11]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[11]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[11]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[11];
-$result_trees{'complex'}[11]{'extra'}{'node'} = 
$result_trees{'complex'}[11]{'contents'}[0];
-$result_trees{'complex'}[11]{'extra'}{'section'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[11]{'contents'}[1];
-$result_trees{'complex'}[11]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[10];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3];
-$result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[12];
-$result_trees{'complex'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[1]{'args'}[0];
-$result_trees{'complex'}[12]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[12];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[0];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[2]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[3];
-$result_trees{'complex'}[12]{'contents'}[2]{'args'}[3]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[12]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex'}[12]{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[2];
-$result_trees{'complex'}[12]{'contents'}[2]{'extra'}{'node_content'}[0] = 
$result_trees{'complex'}[12]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[2]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = $result_trees{'complex'}[12]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex'}[12]{'contents'}[2]{'parent'} = 
$result_trees{'complex'}[12];
-$result_trees{'complex'}[12]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'complex'}[12]{'contents'}[3];
-$result_trees{'complex'}[12]{'contents'}[3]{'parent'} = 
$result_trees{'complex'}[12];
-$result_trees{'complex'}[12]{'extra'}{'node'} = 
$result_trees{'complex'}[12]{'contents'}[0];
-$result_trees{'complex'}[12]{'extra'}{'section'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[12]{'contents'}[1];
-$result_trees{'complex'}[12]{'structure'}{'unit_prev'} = 
$result_trees{'complex'}[11];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'extra'}{'end_command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'extra'}{'end_command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'contents'}[0];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[29]{'args'}[0]{'parent'}
 = $result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[29];
+$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[29]{'parent'} 
= $result_trees{'complex'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex'}[0]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex'}[0]{'contents'}[2] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[0]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex'}[0]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[0]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex'}[1]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[1]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[1]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex'}[1]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[1]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex'}[2]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex'}[2]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[2]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex'}[2]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[2]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex'}[3]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex'}[3]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex'}[3]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex'}[3]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex'}[3]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex'}[4]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex'}[4]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex'}[4]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex'}[4]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex'}[4]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex'}[5]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex'}[5]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex'}[5]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex'}[5]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex'}[5]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex'}[6]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex'}[6]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex'}[6]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex'}[6]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex'}[6]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex'}[7]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex'}[7]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[7]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex'}[7]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[7]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex'}[8]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex'}[8]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[8]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex'}[8]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[8]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex'}[9]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex'}[9]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex'}[9]{'contents'}[2] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex'}[9]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex'}[9]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex'}[9]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex'}[10]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[10]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[10]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex'}[10]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[10]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex'}[11]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex'}[11]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[11]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex'}[11]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[11]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex'}[12]{'contents'}[0] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[12]{'contents'}[1] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[12]{'contents'}[2] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex'}[12]{'contents'}[3] = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[29];
+$result_trees{'complex'}[12]{'extra'}{'node'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex'}[12]{'extra'}{'section'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex'}[12]{'extra'}{'unit_command'} = 
$result_trees{'complex'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
 
 $result_texis{'complex'} = '@node Top,First node,(dir)
 @top
@@ -3347,253 +3304,610 @@ $result_sectioning{'complex'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          }
-        },
-        'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'First-node',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_childs' => [
-                  {
-                    'cmdname' => 'unnumberedsec',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'unnumbered',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {}
-                      },
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 2,
-                      'section_childs' => [
-                        {
-                          'cmdname' => 'unnumberedsubsec',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'unnumbered-sub',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_up' => {}
-                          }
-                        },
-                        {
-                          'cmdname' => 'subsection',
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
                           'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
+                            'normalized' => 'First-node',
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
+                            'associated_unit' => {}
                           }
                         },
-                        {
-                          'cmdname' => 'unnumberedsubsec',
+                        'section' => {
+                          'cmdname' => 'chapter',
                           'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'unnumbered-sub2',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
+                            'associated_node' => {},
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
-                          }
-                        },
-                        {
-                          'cmdname' => 'subsection',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub2',
-                                'spaces_before_argument' => ' '
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_childs' => [
+                              {
+                                'cmdname' => 'unnumberedsec',
+                                'extra' => {
+                                  'associated_node' => {
+                                    'cmdname' => 'node',
+                                    'extra' => {
+                                      'normalized' => 'unnumbered',
+                                      'spaces_before_argument' => ' '
+                                    },
+                                    'structure' => {
+                                      'associated_unit' => {
+                                        'extra' => {
+                                          'node' => {},
+                                          'section' => {},
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'FastForward' => {
+                                              'extra' => {
+                                                'node' => {
+                                                  'cmdname' => 'node',
+                                                  'extra' => {
+                                                    'normalized' => 
'Second-node',
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {}
+                                                  }
+                                                },
+                                                'section' => {
+                                                  'cmdname' => 'chapter',
+                                                  'extra' => {
+                                                    'associated_node' => {},
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {},
+                                                    'level' => 1,
+                                                    'number' => 2,
+                                                    'section_prev' => {},
+                                                    'section_up' => {},
+                                                    'toplevel_prev' => {},
+                                                    'toplevel_up' => {}
+                                                  }
+                                                },
+                                                'unit_command' => {}
+                                              },
+                                              'structure' => {
+                                                'directions' => {
+                                                  'Back' => {
+                                                    'extra' => {
+                                                      'node' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'numbered',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{}
+                                                        }
+                                                      },
+                                                      'section' => {
+                                                        'cmdname' => 'section',
+                                                        'extra' => {
+                                                          'associated_node' => 
{},
+                                                          
'spaces_before_argument' => '  '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'level' => 2,
+                                                          'number' => '1.1',
+                                                          'section_prev' => {
+                                                            'cmdname' => 
'unnumberedsec',
+                                                            'extra' => {
+                                                              
'associated_node' => {
+                                                                'cmdname' => 
'node',
+                                                                'extra' => {
+                                                                  'normalized' 
=> 'unnumbered2',
+                                                                  
'spaces_before_argument' => ' '
+                                                                },
+                                                                'structure' => 
{
+                                                                  
'associated_unit' => {
+                                                                    'extra' => 
{
+                                                                      'node' 
=> {},
+                                                                      
'section' => {},
+                                                                      
'unit_command' => {}
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'directions' => {
+                                                                        'Back' 
=> {
+                                                                          
'extra' => {
+                                                                            
'node' => {
+                                                                              
'cmdname' => 'node',
+                                                                              
'extra' => {
+                                                                               
 'normalized' => 'numbered-sub2',
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {}
+                                                                              }
+                                                                            },
+                                                                            
'section' => {
+                                                                              
'cmdname' => 'subsection',
+                                                                              
'extra' => {
+                                                                               
 'associated_node' => {},
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {},
+                                                                               
 'level' => 3,
+                                                                               
 'section_prev' => {
+                                                                               
   'cmdname' => 'unnumberedsubsec',
+                                                                               
   'extra' => {
+                                                                               
     'associated_node' => {
+                                                                               
       'cmdname' => 'node',
+                                                                               
       'extra' => {
+                                                                               
         'normalized' => 'unnumbered-sub2',
+                                                                               
         'spaces_before_argument' => ' '
+                                                                               
       },
+                                                                               
       'structure' => {
+                                                                               
         'associated_unit' => {
+                                                                               
           'extra' => {
+                                                                               
             'node' => {},
+                                                                               
             'section' => {},
+                                                                               
             'unit_command' => {}
+                                                                               
           },
+                                                                               
           'structure' => {
+                                                                               
             'directions' => {
+                                                                               
               'Back' => {
+                                                                               
                 'extra' => {
+                                                                               
                   'node' => {
+                                                                               
                     'cmdname' => 'node',
+                                                                               
                     'extra' => {
+                                                                               
                       'normalized' => 'numbered-sub',
+                                                                               
                       'spaces_before_argument' => ' '
+                                                                               
                     },
+                                                                               
                     'structure' => {
+                                                                               
                       'associated_unit' => {}
+                                                                               
                     }
+                                                                               
                   },
+                                                                               
                   'section' => {
+                                                                               
                     'cmdname' => 'subsection',
+                                                                               
                     'extra' => {
+                                                                               
                       'associated_node' => {},
+                                                                               
                       'spaces_before_argument' => ' '
+                                                                               
                     },
+                                                                               
                     'structure' => {
+                                                                               
                       'associated_unit' => {},
+                                                                               
                       'level' => 3,
+                                                                               
                       'section_prev' => {
+                                                                               
                         'cmdname' => 'unnumberedsubsec',
+                                                                               
                         'extra' => {
+                                                                               
                           'associated_node' => {
+                                                                               
                             'cmdname' => 'node',
+                                                                               
                             'extra' => {
+                                                                               
                               'normalized' => 'unnumbered-sub',
+                                                                               
                               'spaces_before_argument' => ' '
+                                                                               
                             },
+                                                                               
                             'structure' => {
+                                                                               
                               'associated_unit' => {
+                                                                               
                                 'extra' => {
+                                                                               
                                   'node' => {},
+                                                                               
                                   'section' => {},
+                                                                               
                                   'unit_command' => {}
+                                                                               
                                 },
+                                                                               
                                 'structure' => {
+                                                                               
                                   'directions' => {
+                                                                               
                                     'Back' => {},
+                                                                               
                                     'FastBack' => {},
+                                                                               
                                     'FastForward' => {},
+                                                                               
                                     'Forward' => {},
+                                                                               
                                     'Next' => {},
+                                                                               
                                     'NodeBack' => {},
+                                                                               
                                     'NodeForward' => {},
+                                                                               
                                     'NodeNext' => {},
+                                                                               
                                     'NodeUp' => {},
+                                                                               
                                     'This' => {},
+                                                                               
                                     'Up' => {}
+                                                                               
                                   },
+                                                                               
                                   'unit_next' => {},
+                                                                               
                                   'unit_prev' => {}
+                                                                               
                                 },
+                                                                               
                                 'type' => 'unit'
+                                                                               
                               }
+                                                                               
                             }
+                                                                               
                           },
+                                                                               
                           'spaces_before_argument' => ' '
+                                                                               
                         },
+                                                                               
                         'structure' => {
+                                                                               
                           'associated_unit' => {},
+                                                                               
                           'level' => 3,
+                                                                               
                           'section_up' => {}
+                                                                               
                         }
+                                                                               
                       },
+                                                                               
                       'section_up' => {}
+                                                                               
                     }
+                                                                               
                   },
+                                                                               
                   'unit_command' => {}
+                                                                               
                 },
+                                                                               
                 'structure' => {
+                                                                               
                   'directions' => {
+                                                                               
                     'Back' => {},
+                                                                               
                     'FastBack' => {},
+                                                                               
                     'FastForward' => {},
+                                                                               
                     'Forward' => {},
+                                                                               
                     'Next' => {},
+                                                                               
                     'NodeBack' => {},
+                                                                               
                     'NodeForward' => {},
+                                                                               
                     'NodeNext' => {},
+                                                                               
                     'NodePrev' => {},
+                                                                               
                     'NodeUp' => {},
+                                                                               
                     'Prev' => {},
+                                                                               
                     'This' => {},
+                                                                               
                     'Up' => {}
+                                                                               
                   },
+                                                                               
                   'unit_next' => {},
+                                                                               
                   'unit_prev' => {}
+                                                                               
                 },
+                                                                               
                 'type' => 'unit'
+                                                                               
               },
+                                                                               
               'FastBack' => {},
+                                                                               
               'FastForward' => {},
+                                                                               
               'Forward' => {},
+                                                                               
               'Next' => {},
+                                                                               
               'NodeBack' => {},
+                                                                               
               'NodeForward' => {},
+                                                                               
               'NodeNext' => {},
+                                                                               
               'NodePrev' => {},
+                                                                               
               'NodeUp' => {},
+                                                                               
               'Prev' => {},
+                                                                               
               'This' => {},
+                                                                               
               'Up' => {}
+                                                                               
             },
+                                                                               
             'unit_next' => {},
+                                                                               
             'unit_prev' => {}
+                                                                               
           },
+                                                                               
           'type' => 'unit'
+                                                                               
         }
+                                                                               
       }
+                                                                               
     },
+                                                                               
     'spaces_before_argument' => ' '
+                                                                               
   },
+                                                                               
   'structure' => {
+                                                                               
     'associated_unit' => {},
+                                                                               
     'level' => 3,
+                                                                               
     'section_prev' => {},
+                                                                               
     'section_up' => {}
+                                                                               
   }
+                                                                               
 },
+                                                                               
 'section_up' => {}
+                                                                              }
+                                                                            },
+                                                                            
'unit_command' => {}
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'directions' => {
+                                                                              
'Back' => {},
+                                                                              
'FastBack' => {},
+                                                                              
'FastForward' => {},
+                                                                              
'Forward' => {},
+                                                                              
'NodeBack' => {},
+                                                                              
'NodeForward' => {},
+                                                                              
'NodePrev' => {},
+                                                                              
'NodeUp' => {},
+                                                                              
'Prev' => {},
+                                                                              
'This' => {},
+                                                                              
'Up' => {}
+                                                                            },
+                                                                            
'unit_next' => {},
+                                                                            
'unit_prev' => {}
+                                                                          },
+                                                                          
'type' => 'unit'
+                                                                        },
+                                                                        
'FastBack' => {},
+                                                                        
'FastForward' => {},
+                                                                        
'Forward' => {
+                                                                          
'extra' => {
+                                                                            
'node' => {
+                                                                              
'cmdname' => 'node',
+                                                                              
'extra' => {
+                                                                               
 'normalized' => 'numbered-sub3',
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {}
+                                                                              }
+                                                                            },
+                                                                            
'section' => {
+                                                                              
'cmdname' => 'subsection',
+                                                                              
'extra' => {
+                                                                               
 'associated_node' => {},
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {},
+                                                                               
 'level' => 3,
+                                                                               
 'section_up' => {}
+                                                                              }
+                                                                            },
+                                                                            
'unit_command' => {}
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'directions' => {
+                                                                              
'Back' => {},
+                                                                              
'FastBack' => {},
+                                                                              
'FastForward' => {},
+                                                                              
'Forward' => {},
+                                                                              
'NodeBack' => {},
+                                                                              
'NodeForward' => {},
+                                                                              
'NodeUp' => {},
+                                                                              
'This' => {},
+                                                                              
'Up' => {}
+                                                                            },
+                                                                            
'unit_next' => {},
+                                                                            
'unit_prev' => {}
+                                                                          },
+                                                                          
'type' => 'unit'
+                                                                        },
+                                                                        'Next' 
=> {},
+                                                                        
'NodeBack' => {},
+                                                                        
'NodeForward' => {},
+                                                                        
'NodeNext' => {},
+                                                                        
'NodePrev' => {},
+                                                                        
'NodeUp' => {},
+                                                                        'Prev' 
=> {},
+                                                                        'This' 
=> {},
+                                                                        'Up' 
=> {}
+                                                                      },
+                                                                      
'unit_next' => {},
+                                                                      
'unit_prev' => {}
+                                                                    },
+                                                                    'type' => 
'unit'
+                                                                  }
+                                                                }
+                                                              },
+                                                              
'spaces_before_argument' => ' '
+                                                            },
+                                                            'structure' => {
+                                                              
'associated_unit' => {},
+                                                              'level' => 2,
+                                                              'section_childs' 
=> [
+                                                                {}
+                                                              ],
+                                                              'section_prev' 
=> {},
+                                                              'section_up' => 
{}
+                                                            }
+                                                          },
+                                                          'section_up' => {}
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'FastForward' => {},
+                                                        'Forward' => {},
+                                                        'NodeBack' => {},
+                                                        'NodePrev' => {},
+                                                        'NodeUp' => {},
+                                                        'Prev' => {},
+                                                        'This' => {},
+                                                        'Up' => {}
+                                                      },
+                                                      'unit_next' => {},
+                                                      'unit_prev' => {}
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'FastBack' => {},
+                                                  'FastForward' => {
+                                                    'extra' => {
+                                                      'node' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'Third-node-unnumbered',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{}
+                                                        }
+                                                      },
+                                                      'section' => {
+                                                        'cmdname' => 
'unnumbered',
+                                                        'extra' => {
+                                                          'associated_node' => 
{},
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'level' => 1,
+                                                          'section_prev' => {},
+                                                          'section_up' => {},
+                                                          'toplevel_prev' => 
{},
+                                                          'toplevel_up' => {}
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'FastForward' => {
+                                                          'extra' => {
+                                                            'node' => {
+                                                              'cmdname' => 
'node',
+                                                              'extra' => {
+                                                                'normalized' 
=> 'continuity',
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {}
+                                                              }
+                                                            },
+                                                            'section' => {
+                                                              'cmdname' => 
'unnumbered',
+                                                              'extra' => {
+                                                                
'associated_node' => {},
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 1,
+                                                                'section_prev' 
=> {},
+                                                                'section_up' 
=> {},
+                                                                
'toplevel_prev' => {},
+                                                                'toplevel_up' 
=> {}
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
+                                                              'FastBack' => {},
+                                                              'NodeBack' => {},
+                                                              'NodeForward' => 
{},
+                                                              'NodeNext' => {},
+                                                              'NodePrev' => {},
+                                                              'NodeUp' => {},
+                                                              'Prev' => {},
+                                                              'This' => {},
+                                                              'Up' => {}
+                                                            },
+                                                            'unit_prev' => {}
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
+                                                        'Forward' => {},
+                                                        'Next' => {},
+                                                        'NodeBack' => {},
+                                                        'NodeForward' => {},
+                                                        'NodeNext' => {},
+                                                        'NodePrev' => {},
+                                                        'NodeUp' => {},
+                                                        'Prev' => {},
+                                                        'This' => {},
+                                                        'Up' => {}
+                                                      },
+                                                      'unit_next' => {},
+                                                      'unit_prev' => {}
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'Forward' => {},
+                                                  'Next' => {},
+                                                  'NodeForward' => {},
+                                                  'NodeNext' => {},
+                                                  'NodeUp' => {},
+                                                  'Prev' => {},
+                                                  'This' => {},
+                                                  'Up' => {}
+                                                },
+                                                'unit_next' => {},
+                                                'unit_prev' => {}
+                                              },
+                                              'type' => 'unit'
+                                            },
+                                            'Forward' => {},
+                                            'Next' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodeNext' => {},
+                                            'NodeUp' => {},
+                                            'This' => {},
+                                            'Up' => {}
+                                          },
+                                          'unit_next' => {},
+                                          'unit_prev' => {}
+                                        },
+                                        'type' => 'unit'
+                                      }
+                                    }
+                                  },
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 2,
+                                  'section_childs' => [
+                                    {},
+                                    {},
+                                    {},
+                                    {}
+                                  ],
+                                  'section_up' => {}
+                                }
                               },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
+                              {},
+                              {}
+                            ],
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
                           }
-                        }
-                      ],
-                      'section_up' => {}
-                    }
-                  },
-                  {
-                    'cmdname' => 'unnumberedsec',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'unnumbered2',
-                          'spaces_before_argument' => ' '
                         },
-                        'structure' => {}
+                        'unit_command' => {}
                       },
-                      'spaces_before_argument' => ' '
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {},
+                          'Forward' => {},
+                          'Next' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
                     },
-                    'structure' => {
-                      'level' => 2,
-                      'section_childs' => [
-                        {
-                          'cmdname' => 'subsection',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub3',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_up' => {}
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
                           }
-                        }
-                      ],
-                      'section_prev' => {},
-                      'section_up' => {}
-                    }
-                  },
-                  {
-                    'cmdname' => 'section',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {}
+                        ]
                       },
-                      'spaces_before_argument' => '  '
+                      'type' => 'external_node'
                     },
-                    'structure' => {
-                      'level' => 2,
-                      'number' => '1.1',
-                      'section_prev' => {},
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Second-node',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'unnumbered',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Third-node-unnumbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'unnumbered',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'continuity',
-                    'spaces_before_argument' => ' '
+                    'This' => {}
                   },
-                  'structure' => {}
+                  'unit_next' => {}
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
+                'type' => 'unit'
               }
             }
+          }
+        },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0,
+          'section_childs' => [
+            {},
+            {},
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -3601,34 +3915,251 @@ $result_sectioning{'complex'} = {
     ]
   }
 };
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'struct
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'str
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_un
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_uni
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_un
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_u
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associa
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result [...]
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 = $res [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = [...]
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+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
  [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
  [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex'}{'structure'}{'section_ [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_childs'}[0]
 = $result_sectioning{'complex'}{'structure'}{'sectio [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_prev'}
 = $result_sectioning{'complex'}{'structure'}{'section_chi [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_child [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_n
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'as
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'s
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'st
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'s
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'s
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'str
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structu
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'a
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'a
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'stru
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'ass 
[...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'asso 
[...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{' 
[...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'ass 
[...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'as 
[...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_no
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex'}{'stru [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = $result_sectioning{'complex'}{'struc [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex'}{'s [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'complex'}{'stru [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'struct [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'complex'}{'str [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'struc [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs' [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_sectioning{'complex'}{'structure'}{'secti [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'complex'}{'structure'}{'s [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_sectioning{'complex'}{'structure'}{'s [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_sectioning{'complex'}{'structure'} [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_sectioning{'complex'}{'structure'}{'s [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_sectioning{'complex'}{'structure'}{'s [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_sectioning{'complex'}{'structure'}{'sec [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_sectioning{'complex'}{'structure'}{'secti [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'complex'}{'structure'}{'secti [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{'complex'}{'structure'}{'section [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_nod
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_no
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_no
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_no
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structu
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structu
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'struc
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'s
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'stru
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'e
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associat
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associ
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associ
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associ
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associ
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associat
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associat
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'s
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]
 = 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'
 [...]
 
$result_sectioning{'complex'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'complex'};
 
 $result_nodes{'complex'} = {
@@ -3638,6 +4169,643 @@ $result_nodes{'complex'} = {
       'cmdname' => 'top',
       'extra' => {},
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'First-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'menus' => [
+                      {
+                        'cmdname' => 'menu',
+                        'extra' => {
+                          'end_command' => {
+                            'cmdname' => 'end',
+                            'extra' => {
+                              'command_argument' => 'menu',
+                              'spaces_before_argument' => ' ',
+                              'text_arg' => 'menu'
+                            }
+                          }
+                        }
+                      }
+                    ],
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_child' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'unnumberedsec',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'node' => {},
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'FastForward' => {
+                                      'extra' => {
+                                        'node' => {
+                                          'cmdname' => 'node',
+                                          'extra' => {
+                                            'associated_section' => {
+                                              'cmdname' => 'chapter',
+                                              'extra' => {
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'level' => 1,
+                                                'number' => 2
+                                              }
+                                            },
+                                            'normalized' => 'Second-node',
+                                            'spaces_before_argument' => ' '
+                                          },
+                                          'structure' => {
+                                            'associated_unit' => {},
+                                            'node_next' => {
+                                              'cmdname' => 'node',
+                                              'extra' => {
+                                                'associated_section' => {
+                                                  'cmdname' => 'unnumbered',
+                                                  'extra' => {
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {
+                                                      'extra' => {
+                                                        'node' => {},
+                                                        'section' => {},
+                                                        'unit_command' => {}
+                                                      },
+                                                      'structure' => {
+                                                        'directions' => {
+                                                          'Back' => {},
+                                                          'FastBack' => {},
+                                                          'FastForward' => {
+                                                            'extra' => {
+                                                              'node' => {
+                                                                'cmdname' => 
'node',
+                                                                'extra' => {
+                                                                  
'associated_section' => {
+                                                                    'cmdname' 
=> 'unnumbered',
+                                                                    'extra' => 
{
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {},
+                                                                      'level' 
=> 1
+                                                                    }
+                                                                  },
+                                                                  'normalized' 
=> 'continuity',
+                                                                  
'spaces_before_argument' => ' '
+                                                                },
+                                                                'structure' => 
{
+                                                                  
'associated_unit' => {},
+                                                                  'node_next' 
=> {},
+                                                                  'node_prev' 
=> {
+                                                                    'cmdname' 
=> 'node',
+                                                                    'extra' => 
{
+                                                                      
'normalized' => 'Last-node-no-description',
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {},
+                                                                      
'node_prev' => {},
+                                                                      
'node_up' => {}
+                                                                    }
+                                                                  },
+                                                                  'node_up' => 
{}
+                                                                }
+                                                              },
+                                                              'section' => {},
+                                                              'unit_command' 
=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {},
+                                                                'FastBack' => 
{},
+                                                                'NodeBack' => 
{},
+                                                                'NodeForward' 
=> {},
+                                                                'NodeNext' => 
{},
+                                                                'NodePrev' => 
{},
+                                                                'NodeUp' => {},
+                                                                'Prev' => {},
+                                                                'This' => {},
+                                                                'Up' => {}
+                                                              },
+                                                              'unit_prev' => {}
+                                                            },
+                                                            'type' => 'unit'
+                                                          },
+                                                          'Forward' => {},
+                                                          'Next' => {},
+                                                          'NodeBack' => {},
+                                                          'NodeForward' => {},
+                                                          'NodeNext' => {},
+                                                          'NodePrev' => {},
+                                                          'NodeUp' => {},
+                                                          'Prev' => {},
+                                                          'This' => {},
+                                                          'Up' => {}
+                                                        },
+                                                        'unit_next' => {},
+                                                        'unit_prev' => {}
+                                                      },
+                                                      'type' => 'unit'
+                                                    },
+                                                    'level' => 1
+                                                  }
+                                                },
+                                                'normalized' => 
'Third-node-unnumbered',
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'node_next' => {},
+                                                'node_prev' => {},
+                                                'node_up' => {}
+                                              }
+                                            },
+                                            'node_up' => {}
+                                          }
+                                        },
+                                        'section' => {},
+                                        'unit_command' => {}
+                                      },
+                                      'structure' => {
+                                        'directions' => {
+                                          'Back' => {
+                                            'extra' => {
+                                              'node' => {
+                                                'cmdname' => 'node',
+                                                'extra' => {
+                                                  'associated_section' => {
+                                                    'cmdname' => 'section',
+                                                    'extra' => {
+                                                      'spaces_before_argument' 
=> '  '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'level' => 2,
+                                                      'number' => '1.1'
+                                                    }
+                                                  },
+                                                  'normalized' => 'numbered',
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {},
+                                                  'node_prev' => {
+                                                    'cmdname' => 'node',
+                                                    'extra' => {
+                                                      'associated_section' => {
+                                                        'cmdname' => 
'unnumberedsec',
+                                                        'extra' => {
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{
+                                                            'extra' => {
+                                                              'node' => {},
+                                                              'section' => {},
+                                                              'unit_command' 
=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {
+                                                                  'extra' => {
+                                                                    'node' => {
+                                                                      
'cmdname' => 'node',
+                                                                      'extra' 
=> {
+                                                                        
'associated_section' => {
+                                                                          
'cmdname' => 'subsection',
+                                                                          
'extra' => {
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'level' => 3
+                                                                          }
+                                                                        },
+                                                                        
'normalized' => 'numbered-sub2',
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'node_prev' => {
+                                                                          
'cmdname' => 'node',
+                                                                          
'extra' => {
+                                                                            
'associated_section' => {
+                                                                              
'cmdname' => 'unnumberedsubsec',
+                                                                              
'extra' => {
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {
+                                                                               
   'extra' => {
+                                                                               
     'node' => {},
+                                                                               
     'section' => {},
+                                                                               
     'unit_command' => {}
+                                                                               
   },
+                                                                               
   'structure' => {
+                                                                               
     'directions' => {
+                                                                               
       'Back' => {
+                                                                               
         'extra' => {
+                                                                               
           'node' => {
+                                                                               
             'cmdname' => 'node',
+                                                                               
             'extra' => {
+                                                                               
               'associated_section' => {
+                                                                               
                 'cmdname' => 'subsection',
+                                                                               
                 'extra' => {
+                                                                               
                   'spaces_before_argument' => ' '
+                                                                               
                 },
+                                                                               
                 'structure' => {
+                                                                               
                   'associated_unit' => {},
+                                                                               
                   'level' => 3
+                                                                               
                 }
+                                                                               
               },
+                                                                               
               'normalized' => 'numbered-sub',
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {},
+                                                                               
               'node_next' => {},
+                                                                               
               'node_prev' => {
+                                                                               
                 'cmdname' => 'node',
+                                                                               
                 'extra' => {
+                                                                               
                   'associated_section' => {
+                                                                               
                     'cmdname' => 'unnumberedsubsec',
+                                                                               
                     'extra' => {
+                                                                               
                       'spaces_before_argument' => ' '
+                                                                               
                     },
+                                                                               
                     'structure' => {
+                                                                               
                       'associated_unit' => {
+                                                                               
                         'extra' => {
+                                                                               
                           'node' => {},
+                                                                               
                           'section' => {},
+                                                                               
                           'unit_command' => {}
+                                                                               
                         },
+                                                                               
                         'structure' => {
+                                                                               
                           'directions' => {
+                                                                               
                             'Back' => {},
+                                                                               
                             'FastBack' => {},
+                                                                               
                             'FastForward' => {},
+                                                                               
                             'Forward' => {},
+                                                                               
                             'Next' => {},
+                                                                               
                             'NodeBack' => {},
+                                                                               
                             'NodeForward' => {},
+                                                                               
                             'NodeNext' => {},
+                                                                               
                             'NodeUp' => {},
+                                                                               
                             'This' => {},
+                                                                               
                             'Up' => {}
+                                                                               
                           },
+                                                                               
                           'unit_next' => {},
+                                                                               
                           'unit_prev' => {}
+                                                                               
                         },
+                                                                               
                         'type' => 'unit'
+                                                                               
                       },
+                                                                               
                       'level' => 3
+                                                                               
                     }
+                                                                               
                   },
+                                                                               
                   'normalized' => 'unnumbered-sub',
+                                                                               
                   'spaces_before_argument' => ' '
+                                                                               
                 },
+                                                                               
                 'structure' => {
+                                                                               
                   'associated_unit' => {},
+                                                                               
                   'node_next' => {},
+                                                                               
                   'node_up' => {}
+                                                                               
                 }
+                                                                               
               },
+                                                                               
               'node_up' => {}
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'section' => {},
+                                                                               
           'unit_command' => {}
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'directions' => {
+                                                                               
             'Back' => {},
+                                                                               
             'FastBack' => {},
+                                                                               
             'FastForward' => {},
+                                                                               
             'Forward' => {},
+                                                                               
             'Next' => {},
+                                                                               
             'NodeBack' => {},
+                                                                               
             'NodeForward' => {},
+                                                                               
             'NodeNext' => {},
+                                                                               
             'NodePrev' => {},
+                                                                               
             'NodeUp' => {},
+                                                                               
             'Prev' => {},
+                                                                               
             'This' => {},
+                                                                               
             'Up' => {}
+                                                                               
           },
+                                                                               
           'unit_next' => {},
+                                                                               
           'unit_prev' => {}
+                                                                               
         },
+                                                                               
         'type' => 'unit'
+                                                                               
       },
+                                                                               
       'FastBack' => {},
+                                                                               
       'FastForward' => {},
+                                                                               
       'Forward' => {},
+                                                                               
       'Next' => {},
+                                                                               
       'NodeBack' => {},
+                                                                               
       'NodeForward' => {},
+                                                                               
       'NodeNext' => {},
+                                                                               
       'NodePrev' => {},
+                                                                               
       'NodeUp' => {},
+                                                                               
       'Prev' => {},
+                                                                               
       'This' => {},
+                                                                               
       'Up' => {}
+                                                                               
     },
+                                                                               
     'unit_next' => {},
+                                                                               
     'unit_prev' => {}
+                                                                               
   },
+                                                                               
   'type' => 'unit'
+                                                                               
 },
+                                                                               
 'level' => 3
+                                                                              }
+                                                                            },
+                                                                            
'normalized' => 'unnumbered-sub2',
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'node_next' => {},
+                                                                            
'node_prev' => {},
+                                                                            
'node_up' => {}
+                                                                          }
+                                                                        },
+                                                                        
'node_up' => {}
+                                                                      }
+                                                                    },
+                                                                    'section' 
=> {},
+                                                                    
'unit_command' => {}
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'directions' => {
+                                                                      'Back' 
=> {},
+                                                                      
'FastBack' => {},
+                                                                      
'FastForward' => {},
+                                                                      
'Forward' => {},
+                                                                      
'NodeBack' => {},
+                                                                      
'NodeForward' => {},
+                                                                      
'NodePrev' => {},
+                                                                      'NodeUp' 
=> {},
+                                                                      'Prev' 
=> {},
+                                                                      'This' 
=> {},
+                                                                      'Up' => 
{}
+                                                                    },
+                                                                    
'unit_next' => {},
+                                                                    
'unit_prev' => {}
+                                                                  },
+                                                                  'type' => 
'unit'
+                                                                },
+                                                                'FastBack' => 
{},
+                                                                'FastForward' 
=> {},
+                                                                'Forward' => {
+                                                                  'extra' => {
+                                                                    'node' => {
+                                                                      
'cmdname' => 'node',
+                                                                      'extra' 
=> {
+                                                                        
'associated_section' => {
+                                                                          
'cmdname' => 'subsection',
+                                                                          
'extra' => {
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'level' => 3
+                                                                          }
+                                                                        },
+                                                                        
'normalized' => 'numbered-sub3',
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'node_up' => {}
+                                                                      }
+                                                                    },
+                                                                    'section' 
=> {},
+                                                                    
'unit_command' => {}
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'directions' => {
+                                                                      'Back' 
=> {},
+                                                                      
'FastBack' => {},
+                                                                      
'FastForward' => {},
+                                                                      
'Forward' => {},
+                                                                      
'NodeBack' => {},
+                                                                      
'NodeForward' => {},
+                                                                      'NodeUp' 
=> {},
+                                                                      'This' 
=> {},
+                                                                      'Up' => 
{}
+                                                                    },
+                                                                    
'unit_next' => {},
+                                                                    
'unit_prev' => {}
+                                                                  },
+                                                                  'type' => 
'unit'
+                                                                },
+                                                                'Next' => {},
+                                                                'NodeBack' => 
{},
+                                                                'NodeForward' 
=> {},
+                                                                'NodeNext' => 
{},
+                                                                'NodePrev' => 
{},
+                                                                'NodeUp' => {},
+                                                                'Prev' => {},
+                                                                'This' => {},
+                                                                'Up' => {}
+                                                              },
+                                                              'unit_next' => 
{},
+                                                              'unit_prev' => {}
+                                                            },
+                                                            'type' => 'unit'
+                                                          },
+                                                          'level' => 2
+                                                        }
+                                                      },
+                                                      'normalized' => 
'unnumbered2',
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'menus' => [
+                                                      {
+                                                        'cmdname' => 'menu',
+                                                        'extra' => {
+                                                          'end_command' => {
+                                                            'cmdname' => 'end',
+                                                            'extra' => {
+                                                              
'command_argument' => 'menu',
+                                                              
'spaces_before_argument' => ' ',
+                                                              'text_arg' => 
'menu'
+                                                            }
+                                                          }
+                                                        }
+                                                      }
+                                                    ],
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'menu_child' => {},
+                                                      'node_next' => {},
+                                                      'node_prev' => {},
+                                                      'node_up' => {}
+                                                    }
+                                                  },
+                                                  'node_up' => {}
+                                                }
+                                              },
+                                              'section' => {},
+                                              'unit_command' => {}
+                                            },
+                                            'structure' => {
+                                              'directions' => {
+                                                'Back' => {},
+                                                'FastBack' => {},
+                                                'FastForward' => {},
+                                                'Forward' => {},
+                                                'NodeBack' => {},
+                                                'NodePrev' => {},
+                                                'NodeUp' => {},
+                                                'Prev' => {},
+                                                'This' => {},
+                                                'Up' => {}
+                                              },
+                                              'unit_next' => {},
+                                              'unit_prev' => {}
+                                            },
+                                            'type' => 'unit'
+                                          },
+                                          'FastBack' => {},
+                                          'FastForward' => {},
+                                          'Forward' => {},
+                                          'Next' => {},
+                                          'NodeForward' => {},
+                                          'NodeNext' => {},
+                                          'NodeUp' => {},
+                                          'Prev' => {},
+                                          'This' => {},
+                                          'Up' => {}
+                                        },
+                                        'unit_next' => {},
+                                        'unit_prev' => {}
+                                      },
+                                      'type' => 'unit'
+                                    },
+                                    'Forward' => {},
+                                    'Next' => {},
+                                    'NodeBack' => {},
+                                    'NodeForward' => {},
+                                    'NodeNext' => {},
+                                    'NodeUp' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_next' => {},
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 2
+                            }
+                          },
+                          'normalized' => 'unnumbered',
+                          'spaces_before_argument' => ' '
+                        },
+                        'menus' => [
+                          {
+                            'cmdname' => 'menu',
+                            'extra' => {
+                              'end_command' => {
+                                'cmdname' => 'end',
+                                'extra' => {
+                                  'command_argument' => 'menu',
+                                  'spaces_before_argument' => ' ',
+                                  'text_arg' => 'menu'
+                                }
+                              }
+                            }
+                          }
+                        ],
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_child' => {},
+                          'node_next' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'NodePrev' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -3660,258 +4828,257 @@ $result_nodes{'complex'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'First-node',
-        'spaces_before_argument' => ' '
-      },
-      'menus' => [
-        {
-          'cmdname' => 'menu',
-          'extra' => {
-            'end_command' => {
-              'cmdname' => 'end',
-              'extra' => {
-                'command_argument' => 'menu',
-                'spaces_before_argument' => ' ',
-                'text_arg' => 'menu'
-              }
-            }
-          }
-        }
-      ],
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'unnumberedsec',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 2
-              }
-            },
-            'normalized' => 'unnumbered',
-            'spaces_before_argument' => ' '
-          },
-          'menus' => [
-            {
-              'cmdname' => 'menu',
-              'extra' => {
-                'end_command' => {
-                  'cmdname' => 'end',
-                  'extra' => {
-                    'command_argument' => 'menu',
-                    'spaces_before_argument' => ' ',
-                    'text_arg' => 'menu'
-                  }
-                }
-              }
-            }
-          ],
-          'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'associated_section' => {
-                  'cmdname' => 'unnumberedsubsec',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 3
-                  }
-                },
-                'normalized' => 'unnumbered-sub',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'associated_section' => {
-                      'cmdname' => 'subsection',
-                      'extra' => {
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'level' => 3
-                      }
-                    },
-                    'normalized' => 'numbered-sub',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'node_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'associated_section' => {
-                          'cmdname' => 'unnumberedsubsec',
-                          'extra' => {
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3
-                          }
-                        },
-                        'normalized' => 'unnumbered-sub2',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'node_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'associated_section' => {
-                              'cmdname' => 'subsection',
-                              'extra' => {
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {
-                                'level' => 3
-                              }
-                            },
-                            'normalized' => 'numbered-sub2',
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'node_prev' => {},
-                            'node_up' => {}
-                          }
-                        },
-                        'node_prev' => {},
-                        'node_up' => {}
-                      }
-                    },
-                    'node_prev' => {},
-                    'node_up' => {}
-                  }
-                },
-                'node_up' => {}
-              }
-            },
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'associated_section' => {
-                  'cmdname' => 'unnumberedsec',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 2
-                  }
-                },
-                'normalized' => 'unnumbered2',
-                'spaces_before_argument' => ' '
-              },
-              'menus' => [
-                {
-                  'cmdname' => 'menu',
-                  'extra' => {
-                    'end_command' => {
-                      'cmdname' => 'end',
-                      'extra' => {
-                        'command_argument' => 'menu',
-                        'spaces_before_argument' => ' ',
-                        'text_arg' => 'menu'
-                      }
-                    }
-                  }
-                }
-              ],
-              'structure' => {
-                'menu_child' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'associated_section' => {
-                      'cmdname' => 'subsection',
-                      'extra' => {
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'level' => 3
-                      }
-                    },
-                    'normalized' => 'numbered-sub3',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'node_up' => {}
-                  }
-                },
-                'node_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'associated_section' => {
-                      'cmdname' => 'section',
-                      'extra' => {
-                        'spaces_before_argument' => '  '
-                      },
-                      'structure' => {
-                        'level' => 2,
-                        'number' => '1.1'
-                      }
-                    },
-                    'normalized' => 'numbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'node_prev' => {},
-                    'node_up' => {}
-                  }
-                },
-                'node_prev' => {},
-                'node_up' => {}
-              }
-            },
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {},
     'node_prev' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       }
     }
   }
 };
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'complex'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'complex'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'complex'}{'structure'}{'menu_child'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'node_prev'} 
= $result_nodes{'complex'};
-$result_nodes{'complex'}{'structure'}{'menu_child'}{'structure'}{'node_up'} = 
$result_nodes{'complex'};
-$result_nodes{'complex'}{'structure'}{'node_next'} = 
$result_nodes{'complex'}{'structure'}{'menu_child'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'ass
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_nodes{ [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}
 = $result_nodes{'compl [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'associat
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_pre
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = $result_nodes{'complex'}{'extra'}{'associat [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_nodes{'complex'}{'extra'}{'ass [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{'complex'}{'ex [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_nodes{'complex'} [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_nodes{'complex'} [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_nodes{'comple [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_nodes{'complex'} [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_nodes{'complex'} [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_nodes{'complex'}{' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_nodes{'complex'}{'ex [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'complex'}{'ex [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_nodes{'complex'}{'extr [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_nodes{'complex'}{'extra'}{'as [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'struct [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'} [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{' [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'as 
[...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associate 
[...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associate 
[...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'no
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'no
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associa
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'as
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structu
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'complex'}{'extra'}{'associated_section [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'complex'}{'extra'}{'associated_sect [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'complex'}{'extra'}{'associated [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'extra'}{'associated
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associ
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_p
 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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  [...]
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 =  [...]
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 =  [...]
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 = $r [...]
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 = $result_n [...]
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 = $result_n [...]
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 = $result_nodes{'complex'}{'extra [...]
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 = $result_nodes{'complex'}{'ex [...]
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 [...]
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 [...]
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 [...]
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 = $result_node [...]
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 = $result [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 = [...]
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 = $resul [...]
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 = $resul [...]
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 = $result_nodes{'complex'}{'extra'}{' [...]
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 = $result_nodes{'complex'}{'extra [...]
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 = $result_nodes{'complex'}{'ex [...]
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 = $result_nodes{'complex'}{'extra [...]
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 = $result_nodes{'complex'}{'extra [...]
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 = $result_nodes{'complex'}{'extra'} [...]
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 = $result_nodes{'complex'}{'extra'}{' [...]
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 = $result_nodes{'complex'}{'extra'}{' [...]
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 = $result_nodes{'complex'}{'extra'}{'as [...]
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 = $result_nodes{'complex'}{'extra'}{'associate [...]
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 = $result_nodes{'complex'}{'extra'}{'associate [...]
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 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{
 [...]
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 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structur
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'str
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ext
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'st
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'st
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_chi
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'e
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_chi
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'e
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'a
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'a
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'struc
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structur
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associat
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'
 [...]
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'complex'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex'}{'structure'}{'associated_unit'} = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex'}{'structure'}{'menu_child'} = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex'}{'structure'}{'node_next'} = 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex'}{'structure'}{'node_prev'}{'extra'}{'manual_content'} 
= 
$result_nodes{'complex'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}{'extra'}{'manual_content'};
 
 $result_menus{'complex'} = {
   'cmdname' => 'node',
@@ -3920,466 +5087,907 @@ $result_menus{'complex'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'First-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'unnumbered',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'unnumbered-sub',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered-sub',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'normalized' => 'unnumbered-sub2',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'menu_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'normalized' => 'numbered-sub2',
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'menu_prev' => {},
-                            'menu_up' => {},
-                            'menu_up_hash' => {
-                              'unnumbered' => 1
-                            }
-                          }
-                        },
-                        'menu_prev' => {},
-                        'menu_up' => {},
-                        'menu_up_hash' => {
-                          'unnumbered' => 1
-                        }
-                      }
-                    },
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'unnumbered' => 1
-                    }
-                  }
-                },
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'unnumbered' => 1
-                }
-              }
-            },
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'unnumbered2',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_child' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered-sub3',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'unnumbered2' => 1
-                    }
-                  }
-                },
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'First-node' => 1
-                    }
-                  }
-                },
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'First-node' => 1
-                }
-              }
-            },
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'First-node' => 1
-            }
-          }
-        },
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'between-node',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'Second-node',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Third-node-unnumbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'normalized' => 'continuity',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'menu_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'normalized' => 'Last-node-no-description',
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'menu_prev' => {},
-                            'menu_up' => {},
-                            'menu_up_hash' => {
-                              'Top' => 1
-                            }
-                          }
-                        },
-                        'menu_prev' => {},
-                        'menu_up' => {},
-                        'menu_up_hash' => {
-                          'Top' => 1
-                        }
-                      }
-                    },
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'Top' => 1
-                    }
-                  }
-                },
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'Top' => 1
-                }
-              }
-            },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
-        },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
-  }
-};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'complex'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'complex'}{'structure'}{'menu_child'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
-$result_menus{'complex'}{'structure'}{'menu_child'}{'structure'}{'menu_up'} = 
$result_menus{'complex'};
-
-$result_errors{'complex'} = [];
-
-
-$result_floats{'complex'} = {};
-
-
-$result_elements{'complex'} = [
-  {
-    'extra' => {
-      'node' => {
-        'cmdname' => 'node',
-        'extra' => {
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {},
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
         },
-        'structure' => {
-          'menu_child' => {
-            'cmdname' => 'node',
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
             'extra' => {
-              'normalized' => 'First-node',
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'menu_child' => {
+              'node' => {
                 'cmdname' => 'node',
                 'extra' => {
-                  'normalized' => 'unnumbered',
+                  'normalized' => 'First-node',
                   'spaces_before_argument' => ' '
                 },
                 'structure' => {
+                  'associated_unit' => {},
                   'menu_child' => {
                     'cmdname' => 'node',
                     'extra' => {
-                      'normalized' => 'unnumbered-sub',
+                      'normalized' => 'unnumbered',
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
-                      'menu_next' => {
-                        'cmdname' => 'node',
+                      'associated_unit' => {
                         'extra' => {
-                          'normalized' => 'numbered-sub',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'menu_next' => {
-                            'cmdname' => 'node',
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'unnumberedsec',
                             'extra' => {
-                              'normalized' => 'unnumbered-sub2',
                               'spaces_before_argument' => ' '
                             },
                             'structure' => {
-                              'menu_next' => {
-                                'cmdname' => 'node',
-                                'extra' => {
-                                  'normalized' => 'numbered-sub2',
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'menu_prev' => {},
-                                  'menu_up' => {},
-                                  'menu_up_hash' => {
-                                    'unnumbered' => 1
-                                  }
-                                }
-                              },
-                              'menu_prev' => {},
-                              'menu_up' => {},
-                              'menu_up_hash' => {
-                                'unnumbered' => 1
-                              }
+                              'associated_unit' => {},
+                              'level' => 2
                             }
                           },
-                          'menu_prev' => {},
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'unnumbered' => 1
-                          }
-                        }
-                      },
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'unnumbered' => 1
-                      }
-                    }
-                  },
-                  'menu_next' => {
-                    'cmdname' => 'node',
-                    'extra' => {
-                      'normalized' => 'unnumbered2',
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'menu_child' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered-sub3',
-                          'spaces_before_argument' => ' '
+                          'unit_command' => {}
                         },
                         'structure' => {
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'unnumbered2' => 1
-                          }
-                        }
-                      },
-                      'menu_next' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered',
-                          'spaces_before_argument' => ' '
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'FastForward' => {
+                              'extra' => {
+                                'node' => {
+                                  'cmdname' => 'node',
+                                  'extra' => {
+                                    'normalized' => 'Second-node',
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'menu_next' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 
'Third-node-unnumbered',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {
+                                          'extra' => {
+                                            'node' => {},
+                                            'section' => {
+                                              'cmdname' => 'unnumbered',
+                                              'extra' => {
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'level' => 1
+                                              }
+                                            },
+                                            'unit_command' => {}
+                                          },
+                                          'structure' => {
+                                            'directions' => {
+                                              'Back' => {},
+                                              'FastBack' => {},
+                                              'FastForward' => {
+                                                'extra' => {
+                                                  'node' => {
+                                                    'cmdname' => 'node',
+                                                    'extra' => {
+                                                      'normalized' => 
'continuity',
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'menu_next' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'Last-node-no-description',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'menu_prev' => {},
+                                                          'menu_up' => {},
+                                                          'menu_up_hash' => {
+                                                            'Top' => 1
+                                                          }
+                                                        }
+                                                      },
+                                                      'menu_prev' => {},
+                                                      'menu_up' => {},
+                                                      'menu_up_hash' => {
+                                                        'Top' => 1
+                                                      }
+                                                    }
+                                                  },
+                                                  'section' => {
+                                                    'cmdname' => 'unnumbered',
+                                                    'extra' => {
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'level' => 1
+                                                    }
+                                                  },
+                                                  'unit_command' => {}
+                                                },
+                                                'structure' => {
+                                                  'directions' => {
+                                                    'Back' => {},
+                                                    'FastBack' => {},
+                                                    'NodeBack' => {},
+                                                    'NodeForward' => {},
+                                                    'NodeNext' => {},
+                                                    'NodePrev' => {},
+                                                    'NodeUp' => {},
+                                                    'Prev' => {},
+                                                    'This' => {},
+                                                    'Up' => {}
+                                                  },
+                                                  'unit_prev' => {}
+                                                },
+                                                'type' => 'unit'
+                                              },
+                                              'Forward' => {},
+                                              'Next' => {},
+                                              'NodeBack' => {},
+                                              'NodeForward' => {},
+                                              'NodeNext' => {},
+                                              'NodePrev' => {},
+                                              'NodeUp' => {},
+                                              'Prev' => {},
+                                              'This' => {},
+                                              'Up' => {}
+                                            },
+                                            'unit_next' => {},
+                                            'unit_prev' => {}
+                                          },
+                                          'type' => 'unit'
+                                        },
+                                        'menu_next' => {},
+                                        'menu_prev' => {},
+                                        'menu_up' => {},
+                                        'menu_up_hash' => {
+                                          'Top' => 1
+                                        }
+                                      }
+                                    },
+                                    'menu_prev' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 'between-node',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {
+                                          'extra' => {
+                                            'node' => {
+                                              'cmdname' => 'node',
+                                              'extra' => {
+                                                'normalized' => 'numbered',
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'menu_prev' => {
+                                                  'cmdname' => 'node',
+                                                  'extra' => {
+                                                    'normalized' => 
'unnumbered2',
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {
+                                                      'extra' => {
+                                                        'node' => {},
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'spaces_before_argument' => ' '
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{
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'associated_unit' => {},
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=> {
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=> 'node',
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{
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'structure' => {
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'directions' => {
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'extra' => {
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 'node' => {
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       },
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},
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'structure' => {
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 },
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 'unit_next' => {},
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 'unit_prev' => {}
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},
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'type' => 'unit'
+                                                                            },
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'FastBack' => {},
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'FastForward' => {},
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'Forward' => {},
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'Next' => {},
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'NodeBack' => {},
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'NodeForward' => {},
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'NodeNext' => {},
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'NodePrev' => {},
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'Prev' => {},
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'This' => {},
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'Up' => {}
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'unit_next' => {},
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'unit_prev' => {}
+                                                                        },
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=> 'unit'
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'menu_next' => {},
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'menu_prev' => {},
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'menu_up' => {},
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'menu_up_hash' => {
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'unnumbered' => 1
+                                                                      }
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{},
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'menu_up_hash' => {
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'unnumbered' => 1
+                                                                  }
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'spaces_before_argument' => ' '
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{
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'associated_unit' => {},
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=> {}
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+                                                                'FastBack' => 
{},
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=> {},
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{},
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{},
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=> {},
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{},
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{},
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'node',
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=> 'numbered-sub3',
+                                                                  
'spaces_before_argument' => ' '
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{
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'associated_unit' => {},
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{},
+                                                                  
'menu_up_hash' => {
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'unnumbered2' => 1
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'subsection',
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'spaces_before_argument' => ' '
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{
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'associated_unit' => {},
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=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {},
+                                                                'FastBack' => 
{},
+                                                                'FastForward' 
=> {},
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{},
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{},
+                                                                'NodeForward' 
=> {},
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{},
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'
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'level' => 2,
+                                                'number' => '1.1'
+                                              }
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+                                            'unit_command' => {}
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+                                              'FastBack' => {},
+                                              'FastForward' => {},
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+                                    }
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+                                  'FastBack' => {},
+                                  'FastForward' => {},
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                         },
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-                          'menu_up_hash' => {
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                 'extra' => {
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                   'spaces_before_argument' => ' '
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                 'structure' => {
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       },
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-                'number' => 1
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+$result_menus{'complex'}{'structure'}{'associated_unit'}{'extra'}{'node'} = 
$result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'struc
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'st
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fa
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'stru
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'stru
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'stru
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'ass
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'struc
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{' [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structure'}{' [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'secti
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
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+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'u
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'u
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = $result_menus{'comp [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = $result_menus{'comp [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'comple [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex'}{'structure'}{'associat [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structure' [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'struc [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'complex'}{'structure'}{'associated_uni [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex'}{'structure'}{'associated [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_menus{'complex'}{'structure'}{'associa [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_menus{'complex'}{'structure'}{'associated_ [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'complex'}{'structure'}{'associated [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'complex'}{'structure'}{'associa [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'complex'}{'structure'}{'associated [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associated_u [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_menus{'complex'}{'structure'}{'associated_uni [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex'}{'structure'}{'associated_uni [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_unit' [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'stru [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'stru [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structure' [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex'}{'structure'}{'assoc [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex'}{'structu [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'st [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'complex'}{'structure'}{'associated_ [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex'}{'structure'}{'associa [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastForward'}
 = $result_menus{'complex'}{'structure'}{'asso [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = $result_menus{'complex'}{'structure'}{'associat [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'complex'}{'structure'}{'associa [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'complex'}{'structure'}{'asso [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associate [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex'}{'structure'}{'associated_ [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_un [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'s [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'}{'s [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fas
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fas
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fas
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_child'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'st
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'ass
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'str
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'str
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'ass
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associ
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'as
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}
 [...]
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex'}{'structure'}{'associated_unit'};
+$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex'}{'structure'}{'menu_child'} = 
$result_menus{'complex'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+
+$result_errors{'complex'} = [];
+
+
+$result_floats{'complex'} = {};
+
+
+$result_elements{'complex'} = [
+  {
+    'extra' => {
+      'node' => {
+        'cmdname' => 'node',
+        'extra' => {
+          'normalized' => 'Top',
+          'spaces_before_argument' => ' '
+        },
+        'structure' => {
+          'associated_unit' => {},
+          'menu_child' => {
+            'cmdname' => 'node',
+            'extra' => {
+              'normalized' => 'First-node',
+              'spaces_before_argument' => ' '
             },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
@@ -4388,89 +5996,170 @@ $result_elements{'complex'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 2
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
                 },
                 'structure' => {
                   'directions' => {
-                    'Back' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
                       'extra' => {
-                        'node' => {},
-                        'section' => {
-                          'cmdname' => 'section',
+                        'node' => {
+                          'cmdname' => 'node',
                           'extra' => {
-                            'spaces_before_argument' => '  '
+                            'normalized' => 'Second-node',
+                            'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 2,
-                            'number' => '1.1'
-                          }
-                        },
-                        'unit_command' => {}
-                      },
-                      'structure' => {
-                        'directions' => {
-                          'Back' => {
-                            'extra' => {
-                              'node' => {},
-                              'section' => {
-                                'cmdname' => 'subsection',
-                                'extra' => {
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'level' => 3
-                                }
+                            'associated_unit' => {},
+                            'menu_next' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 'Third-node-unnumbered',
+                                'spaces_before_argument' => ' '
                               },
-                              'unit_command' => {}
-                            },
-                            'structure' => {
-                              'directions' => {
-                                'Back' => {
+                              'structure' => {
+                                'associated_unit' => {
                                   'extra' => {
                                     'node' => {},
                                     'section' => {
-                                      'cmdname' => 'unnumberedsec',
+                                      'cmdname' => 'unnumbered',
                                       'extra' => {
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
-                                        'level' => 2
+                                        'associated_unit' => {},
+                                        'level' => 1
                                       }
                                     },
                                     'unit_command' => {}
                                   },
                                   'structure' => {
                                     'directions' => {
-                                      'Back' => {
+                                      'Back' => {},
+                                      'FastBack' => {},
+                                      'FastForward' => {
                                         'extra' => {
-                                          'node' => {},
+                                          'node' => {
+                                            'cmdname' => 'node',
+                                            'extra' => {
+                                              'normalized' => 'continuity',
+                                              'spaces_before_argument' => ' '
+                                            },
+                                            'structure' => {
+                                              'associated_unit' => {},
+                                              'menu_next' => {
+                                                'cmdname' => 'node',
+                                                'extra' => {
+                                                  'normalized' => 
'Last-node-no-description',
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {},
+                                                  'menu_prev' => {},
+                                                  'menu_up' => {},
+                                                  'menu_up_hash' => {
+                                                    'Top' => 1
+                                                  }
+                                                }
+                                              },
+                                              'menu_prev' => {},
+                                              'menu_up' => {},
+                                              'menu_up_hash' => {
+                                                'Top' => 1
+                                              }
+                                            }
+                                          },
                                           'section' => {
-                                            'cmdname' => 'subsection',
+                                            'cmdname' => 'unnumbered',
                                             'extra' => {
                                               'spaces_before_argument' => ' '
                                             },
                                             'structure' => {
-                                              'level' => 3
+                                              'associated_unit' => {},
+                                              'level' => 1
                                             }
                                           },
                                           'unit_command' => {}
                                         },
                                         'structure' => {
                                           'directions' => {
-                                            'Back' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodeNext' => {},
+                                            'NodePrev' => {},
+                                            'NodeUp' => {},
+                                            'Prev' => {},
+                                            'This' => {},
+                                            'Up' => {}
+                                          }
+                                        },
+                                        'type' => 'unit'
+                                      },
+                                      'Forward' => {},
+                                      'Next' => {},
+                                      'NodeBack' => {},
+                                      'NodeForward' => {},
+                                      'NodeNext' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'Prev' => {},
+                                      'This' => {},
+                                      'Up' => {}
+                                    }
+                                  },
+                                  'type' => 'unit'
+                                },
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
+                                }
+                              }
+                            },
+                            'menu_prev' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 'between-node',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {
+                                  'extra' => {
+                                    'node' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 'numbered',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {},
+                                        'menu_prev' => {
+                                          'cmdname' => 'node',
+                                          'extra' => {
+                                            'normalized' => 'unnumbered2',
+                                            'spaces_before_argument' => ' '
+                                          },
+                                          'structure' => {
+                                            'associated_unit' => {
                                               'extra' => {
                                                 'node' => {},
                                                 'section' => {
-                                                  'cmdname' => 
'unnumberedsubsec',
+                                                  'cmdname' => 'unnumberedsec',
                                                   'extra' => {
                                                     'spaces_before_argument' 
=> ' '
                                                   },
                                                   'structure' => {
-                                                    'level' => 3
+                                                    'associated_unit' => {},
+                                                    'level' => 2
                                                   }
                                                 },
                                                 'unit_command' => {}
@@ -4479,53 +6168,178 @@ $result_elements{'complex'} = [
                                                 'directions' => {
                                                   'Back' => {
                                                     'extra' => {
-                                                      'node' => {},
-                                                      'section' => {
-                                                        'cmdname' => 
'subsection',
+                                                      'node' => {
+                                                        'cmdname' => 'node',
                                                         'extra' => {
+                                                          'normalized' => 
'numbered-sub2',
                                                           
'spaces_before_argument' => ' '
                                                         },
                                                         'structure' => {
-                                                          'level' => 3
-                                                        }
-                                                      },
-                                                      'unit_command' => {}
-                                                    },
-                                                    'structure' => {
-                                                      'directions' => {
-                                                        'Back' => {
-                                                          'extra' => {
-                                                            'node' => {},
-                                                            'section' => {
-                                                              'cmdname' => 
'unnumberedsubsec',
-                                                              'extra' => {
-                                                                
'spaces_before_argument' => ' '
-                                                              },
-                                                              'structure' => {
-                                                                'level' => 3
-                                                              }
+                                                          'associated_unit' => 
{},
+                                                          'menu_prev' => {
+                                                            'cmdname' => 
'node',
+                                                            'extra' => {
+                                                              'normalized' => 
'unnumbered-sub2',
+                                                              
'spaces_before_argument' => ' '
                                                             },
-                                                            'unit_command' => 
{}
-                                                          },
-                                                          'structure' => {
-                                                            'directions' => {
-                                                              'Back' => {
+                                                            'structure' => {
+                                                              
'associated_unit' => {
                                                                 'extra' => {
                                                                   'node' => {},
                                                                   'section' => 
{
-                                                                    'cmdname' 
=> 'unnumberedsec',
+                                                                    'cmdname' 
=> 'unnumberedsubsec',
                                                                     'extra' => 
{
                                                                       
'spaces_before_argument' => ' '
                                                                     },
                                                                     
'structure' => {
-                                                                      'level' 
=> 2
+                                                                      
'associated_unit' => {},
+                                                                      'level' 
=> 3
                                                                     }
                                                                   },
                                                                   
'unit_command' => {}
                                                                 },
                                                                 'structure' => 
{
                                                                   'directions' 
=> {
-                                                                    'Back' => 
{},
+                                                                    'Back' => {
+                                                                      'extra' 
=> {
+                                                                        'node' 
=> {
+                                                                          
'cmdname' => 'node',
+                                                                          
'extra' => {
+                                                                            
'normalized' => 'numbered-sub',
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'menu_next' => {},
+                                                                            
'menu_prev' => {
+                                                                              
'cmdname' => 'node',
+                                                                              
'extra' => {
+                                                                               
 'normalized' => 'unnumbered-sub',
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {
+                                                                               
   'extra' => {
+                                                                               
     'node' => {},
+                                                                               
     'section' => {
+                                                                               
       'cmdname' => 'unnumberedsubsec',
+                                                                               
       'extra' => {
+                                                                               
         'spaces_before_argument' => ' '
+                                                                               
       },
+                                                                               
       'structure' => {
+                                                                               
         'associated_unit' => {},
+                                                                               
         'level' => 3
+                                                                               
       }
+                                                                               
     },
+                                                                               
     'unit_command' => {}
+                                                                               
   },
+                                                                               
   'structure' => {
+                                                                               
     'directions' => {
+                                                                               
       'Back' => {
+                                                                               
         'extra' => {
+                                                                               
           'node' => {
+                                                                               
             'cmdname' => 'node',
+                                                                               
             'extra' => {
+                                                                               
               'normalized' => 'unnumbered',
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {},
+                                                                               
               'menu_child' => {},
+                                                                               
               'menu_next' => {},
+                                                                               
               'menu_up' => {},
+                                                                               
               'menu_up_hash' => {
+                                                                               
                 'First-node' => 1
+                                                                               
               }
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'section' => {
+                                                                               
             'cmdname' => 'unnumberedsec',
+                                                                               
             'extra' => {
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {},
+                                                                               
               'level' => 2
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'unit_command' => {}
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'directions' => {
+                                                                               
             'Back' => {},
+                                                                               
             'FastBack' => {},
+                                                                               
             'FastForward' => {},
+                                                                               
             'Forward' => {},
+                                                                               
             'Next' => {},
+                                                                               
             'NodeBack' => {},
+                                                                               
             'NodeForward' => {},
+                                                                               
             'NodeNext' => {},
+                                                                               
             'NodeUp' => {},
+                                                                               
             'This' => {},
+                                                                               
             'Up' => {}
+                                                                               
           }
+                                                                               
         },
+                                                                               
         'type' => 'unit'
+                                                                               
       },
+                                                                               
       'FastBack' => {},
+                                                                               
       'FastForward' => {},
+                                                                               
       'Forward' => {},
+                                                                               
       'Next' => {},
+                                                                               
       'NodeBack' => {},
+                                                                               
       'NodeForward' => {},
+                                                                               
       'NodeNext' => {},
+                                                                               
       'NodeUp' => {},
+                                                                               
       'This' => {},
+                                                                               
       'Up' => {}
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'type' => 'unit'
+                                                                               
 },
+                                                                               
 'menu_next' => {},
+                                                                               
 'menu_up' => {},
+                                                                               
 'menu_up_hash' => {
+                                                                               
   'unnumbered' => 1
+                                                                               
 }
+                                                                              }
+                                                                            },
+                                                                            
'menu_up' => {},
+                                                                            
'menu_up_hash' => {
+                                                                              
'unnumbered' => 1
+                                                                            }
+                                                                          }
+                                                                        },
+                                                                        
'section' => {
+                                                                          
'cmdname' => 'subsection',
+                                                                          
'extra' => {
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'level' => 3
+                                                                          }
+                                                                        },
+                                                                        
'unit_command' => {}
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'directions' => {
+                                                                          
'Back' => {},
+                                                                          
'FastBack' => {},
+                                                                          
'FastForward' => {},
+                                                                          
'Forward' => {},
+                                                                          
'Next' => {},
+                                                                          
'NodeBack' => {},
+                                                                          
'NodeForward' => {},
+                                                                          
'NodeNext' => {},
+                                                                          
'NodePrev' => {},
+                                                                          
'NodeUp' => {},
+                                                                          
'Prev' => {},
+                                                                          
'This' => {},
+                                                                          'Up' 
=> {}
+                                                                        }
+                                                                      },
+                                                                      'type' 
=> 'unit'
+                                                                    },
                                                                     'FastBack' 
=> {},
                                                                     
'FastForward' => {},
                                                                     'Forward' 
=> {},
@@ -4533,34 +6347,49 @@ $result_elements{'complex'} = [
                                                                     'NodeBack' 
=> {},
                                                                     
'NodeForward' => {},
                                                                     'NodeNext' 
=> {},
+                                                                    'NodePrev' 
=> {},
                                                                     'NodeUp' 
=> {},
+                                                                    'Prev' => 
{},
                                                                     'This' => 
{},
                                                                     'Up' => {}
                                                                   }
                                                                 },
                                                                 'type' => 
'unit'
                                                               },
-                                                              'FastBack' => {},
-                                                              'FastForward' => 
{},
-                                                              'Forward' => {},
-                                                              'Next' => {},
-                                                              'NodeBack' => {},
-                                                              'NodeForward' => 
{},
-                                                              'NodeNext' => {},
-                                                              'NodeUp' => {},
-                                                              'This' => {},
-                                                              'Up' => {}
+                                                              'menu_next' => 
{},
+                                                              'menu_prev' => 
{},
+                                                              'menu_up' => {},
+                                                              'menu_up_hash' 
=> {
+                                                                'unnumbered' 
=> 1
+                                                              }
                                                             }
                                                           },
-                                                          'type' => 'unit'
+                                                          'menu_up' => {},
+                                                          'menu_up_hash' => {
+                                                            'unnumbered' => 1
+                                                          }
+                                                        }
+                                                      },
+                                                      'section' => {
+                                                        'cmdname' => 
'subsection',
+                                                        'extra' => {
+                                                          
'spaces_before_argument' => ' '
                                                         },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'level' => 3
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
                                                         'FastBack' => {},
                                                         'FastForward' => {},
                                                         'Forward' => {},
-                                                        'Next' => {},
                                                         'NodeBack' => {},
                                                         'NodeForward' => {},
-                                                        'NodeNext' => {},
                                                         'NodePrev' => {},
                                                         'NodeUp' => {},
                                                         'Prev' => {},
@@ -4572,7 +6401,49 @@ $result_elements{'complex'} = [
                                                   },
                                                   'FastBack' => {},
                                                   'FastForward' => {},
-                                                  'Forward' => {},
+                                                  'Forward' => {
+                                                    'extra' => {
+                                                      'node' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'numbered-sub3',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'menu_up' => {},
+                                                          'menu_up_hash' => {
+                                                            'unnumbered2' => 1
+                                                          }
+                                                        }
+                                                      },
+                                                      'section' => {
+                                                        'cmdname' => 
'subsection',
+                                                        'extra' => {
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'level' => 3
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'FastForward' => {},
+                                                        'Forward' => {},
+                                                        'NodeBack' => {},
+                                                        'NodeForward' => {},
+                                                        'NodeUp' => {},
+                                                        'This' => {},
+                                                        'Up' => {}
+                                                      }
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
                                                   'Next' => {},
                                                   'NodeBack' => {},
                                                   'NodeForward' => {},
@@ -4586,27 +6457,41 @@ $result_elements{'complex'} = [
                                               },
                                               'type' => 'unit'
                                             },
-                                            'FastBack' => {},
-                                            'FastForward' => {},
-                                            'Forward' => {},
-                                            'NodeBack' => {},
-                                            'NodeForward' => {},
-                                            'NodePrev' => {},
-                                            'NodeUp' => {},
-                                            'Prev' => {},
-                                            'This' => {},
-                                            'Up' => {}
+                                            'menu_child' => {},
+                                            'menu_next' => {},
+                                            'menu_prev' => {},
+                                            'menu_up' => {},
+                                            'menu_up_hash' => {
+                                              'First-node' => 1
+                                            }
                                           }
                                         },
-                                        'type' => 'unit'
+                                        'menu_up' => {},
+                                        'menu_up_hash' => {
+                                          'First-node' => 1
+                                        }
+                                      }
+                                    },
+                                    'section' => {
+                                      'cmdname' => 'section',
+                                      'extra' => {
+                                        'spaces_before_argument' => '  '
                                       },
+                                      'structure' => {
+                                        'associated_unit' => {},
+                                        'level' => 2,
+                                        'number' => '1.1'
+                                      }
+                                    },
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
                                       'FastBack' => {},
                                       'FastForward' => {},
                                       'Forward' => {},
-                                      'Next' => {},
                                       'NodeBack' => {},
-                                      'NodeForward' => {},
-                                      'NodeNext' => {},
                                       'NodePrev' => {},
                                       'NodeUp' => {},
                                       'Prev' => {},
@@ -4616,42 +6501,29 @@ $result_elements{'complex'} = [
                                   },
                                   'type' => 'unit'
                                 },
-                                'FastBack' => {},
-                                'FastForward' => {},
-                                'Forward' => {},
-                                'NodeBack' => {},
-                                'NodeForward' => {},
-                                'NodeUp' => {},
-                                'This' => {},
-                                'Up' => {}
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
+                                }
                               }
                             },
-                            'type' => 'unit'
-                          },
-                          'FastBack' => {},
-                          'FastForward' => {},
-                          'Forward' => {},
-                          'NodeBack' => {},
-                          'NodePrev' => {},
-                          'NodeUp' => {},
-                          'Prev' => {},
-                          'This' => {},
-                          'Up' => {}
-                        }
-                      },
-                      'type' => 'unit'
-                    },
-                    'FastBack' => {},
-                    'FastForward' => {
-                      'extra' => {
-                        'node' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
                         'section' => {
-                          'cmdname' => 'unnumbered',
+                          'cmdname' => 'chapter',
                           'extra' => {
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 1
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 2
                           }
                         },
                         'unit_command' => {}
@@ -4660,42 +6532,11 @@ $result_elements{'complex'} = [
                         'directions' => {
                           'Back' => {},
                           'FastBack' => {},
-                          'FastForward' => {
-                            'extra' => {
-                              'node' => {},
-                              'section' => {
-                                'cmdname' => 'unnumbered',
-                                'extra' => {
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'level' => 1
-                                }
-                              },
-                              'unit_command' => {}
-                            },
-                            'structure' => {
-                              'directions' => {
-                                'Back' => {},
-                                'FastBack' => {},
-                                'NodeBack' => {},
-                                'NodeForward' => {},
-                                'NodeNext' => {},
-                                'NodePrev' => {},
-                                'NodeUp' => {},
-                                'Prev' => {},
-                                'This' => {},
-                                'Up' => {}
-                              }
-                            },
-                            'type' => 'unit'
-                          },
+                          'FastForward' => {},
                           'Forward' => {},
                           'Next' => {},
-                          'NodeBack' => {},
                           'NodeForward' => {},
                           'NodeNext' => {},
-                          'NodePrev' => {},
                           'NodeUp' => {},
                           'Prev' => {},
                           'This' => {},
@@ -4706,28 +6547,39 @@ $result_elements{'complex'} = [
                     },
                     'Forward' => {},
                     'Next' => {},
+                    'NodeBack' => {},
                     'NodeForward' => {},
-                    'NodeNext' => {},
+                    'NodePrev' => {},
                     'NodeUp' => {},
-                    'Prev' => {},
                     'This' => {},
                     'Up' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'Next' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
+              'menu_child' => {},
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
-        },
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {},
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
@@ -4759,196 +6611,224 @@ $result_elements{'complex'} = [
   {},
   {}
 ];
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associat
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structur
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'struc
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'struct
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'me
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'str
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'struct
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'st
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structu
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'me [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'complex'}[0 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structu [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_next'}
 = $re [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
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 = $resu [...]
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 = $result_elements{'com [...]
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 = $result_ele [...]
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 = $result [...]
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 = $res [...]
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 = $result_ [...]
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 = $result_ele [...]
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 = $result [...]
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 = $res [...]
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 = $result [...]
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 = $result [...]
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 = $result_e [...]
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 = $result_ele [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_ele [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_eleme [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'extra'}{'n [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'complex'}[0]{'extra'} [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = $result_elements{'complex'}[0]{'extra'}{'no [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = $result_elements{'complex'}[0]{'extra'}{'node' [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex'}[0]{'extra'}{'n [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex'}[0]{'extra'} [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_elements{'complex'}[0]{'extra'}{'n [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex'}[0]{'extra'}{'n [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0]{'extra'}{'nod [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'complex'}[0]{'extra'}{'node' [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex'}[0]{'extra'}{'node' [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{ [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structu
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'struct
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'struct
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'di
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_u
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'str
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structu
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'struct
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'str
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_child'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'str
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'stru
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associat
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'ex
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'ex
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'n
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'
 [...]
+$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'complex'}[0]{'extra'}{'node'};
+$result_elements{'complex'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'complex'}[0];
 $result_elements{'complex'}[0]{'extra'}{'unit_command'} = 
$result_elements{'complex'}[0]{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = $result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Fast
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'st 
[...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'F [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions' [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'complex'}[0]{'structure'}{'directio [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'} [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'F [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions' [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex'}[0]{'structure'}{'directio [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = $result_elements{'complex'}[0]{'structure'}{'directions' [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{ [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'F [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'Fas [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'direc
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'dire
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'dire
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'direct
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structu
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'dir
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'dir
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'dir
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'direc
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex'}[0];
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'Forward'} = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'NodeForward'} = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[0]{'structure'}{'directions'}{'NodeNext'} = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'} = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'structure'}{'directions'}{'Forward'} = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'structure'}{'directions'}{'NodeForward'} = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[0]{'structure'}{'directions'}{'NodeNext'} = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 $result_elements{'complex'}[0]{'structure'}{'directions'}{'This'} = 
$result_elements{'complex'}[0];
-$result_elements{'complex'}[1] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[2] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[3] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[4] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[5] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[6] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[7] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[8] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[9] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex'}[10] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[11] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex'}[12] = 
$result_elements{'complex'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[1] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[2] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'
 [...]
+$result_elements{'complex'}[3] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'
 [...]
+$result_elements{'complex'}[4] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'complex'}[5] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[6] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'complex'}[7] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[8] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'complex'}[9] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[10] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex'}[11] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex'}[12] = 
$result_elements{'complex'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/complex_split_at_node.pl 
b/tp/t/results/sectioning/complex_split_at_node.pl
index 30718270e8..4ddf924bef 100644
--- a/tp/t/results/sectioning/complex_split_at_node.pl
+++ b/tp/t/results/sectioning/complex_split_at_node.pl
@@ -10,3198 +10,3147 @@ $result_trees{'complex_split_at_node'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'First node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
+        'parent' => {
+          'contents' => [
+            {},
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'First-node'
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
-                },
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'First node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'First-node'
-                  }
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'First node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'between node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'between-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Second node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::   ',
-                    'type' => 'menu_entry_separator'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'node 2
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
-                      {}
-                    ],
-                    'normalized' => 'Second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Third node unnumbered'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => ':: ',
-                    'type' => 'menu_entry_separator'
-                  },
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => 'unnumbered in Top menu
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'Third-node-unnumbered'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'continuity'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'continuity'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'Last node no description'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'First-node'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
-                    'node_content' => [
+                    'manual_content' => [
                       {}
-                    ],
-                    'normalized' => 'Last-node-no-description'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 9,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    ]
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 10,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {},
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
-    ],
-    'extra' => {
-      'node' => {},
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {},
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'First node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'First node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => ':: ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'First-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'First-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first node chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'First-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'between node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first node chapter text
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'between-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'Second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::   ',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => 'node 2
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
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+                          'parent' => {},
+                          'type' => 'menu_entry_node'
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+                          'parent' => {},
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+                              'contents' => [
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+'
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+                              ],
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+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
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-  },
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-              {
-                'parent' => {},
-                'text' => 'numbered subsection3'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Second node text
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'subsection',
-        'contents' => [
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-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
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-        'line_nr' => {
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-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
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-            'contents' => [
-              {
-                'parent' => {},
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-              }
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-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
+                  'type' => 'empty_line'
+                }
               ],
-              'normalized' => 'numbered'
-            }
-          ],
-          'normalized' => 'numbered',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
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-          'line_nr' => 56,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
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-              {
-                'parent' => {},
-                'text' => 'numbered section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Third-node-unnumbered'
+                  },
+                  undef,
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 63,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'section',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
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-        'extra' => {
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-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 57,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 2,
-          'number' => '1.1'
-        }
-      }
-    ],
-    'extra' => {
-      'node' => {},
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {
-      'unit_prev' => {}
-    },
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'between node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'between node, node without sectioning node
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node chapter text.
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
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+                }
               ],
-              'normalized' => 'between-node'
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 67,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
-            undef,
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
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-          'normalized' => 'between-node',
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-            'parent' => {},
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-          },
-          {
-            'contents' => [
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-            'parent' => {},
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-          },
-          {
-            'contents' => [],
-            'parent' => {},
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-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
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+                      'parent' => {},
+                      'text' => 'Third node unnumbered'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
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+                    'node_content' => [
+                      {}
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+                    'normalized' => 'Third-node-unnumbered'
+                  }
+                ],
+                'normalized' => 'Third-node-unnumbered',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 71,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Second node text
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered chapter text.
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
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-        'extra' => {
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-              'node_content' => [
-                {}
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-              'normalized' => 'Second-node'
-            },
-            {
-              'node_content' => [
-                {}
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               ],
-              'normalized' => 'Third-node-unnumbered'
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 72,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
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-          ],
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-              {
-                'parent' => {},
-                'text' => 'second node chapter'
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-            'extra' => {
-              'spaces_after_argument' => '
-'
+              'args' => [
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+                      'parent' => {},
+                      'text' => 'continuity'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
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+                      'parent' => {},
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+                  'extra' => {
+                    'spaces_before_argument' => '  '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Last node no description'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
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+                    'node_content' => [
+                      {}
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+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Third-node-unnumbered'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Last-node-no-description'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'continuity',
+                'spaces_before_argument' => ' '
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 76,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
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+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered continuity'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node chapter text.
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Unumbered and node needed for continuity 
between automatic 
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'directions and lone node.
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
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-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 67,
-          'macro' => ''
+                  'type' => 'empty_line'
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+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 77,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Last node no description'
+                    }
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+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'continuity'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
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+              'cmdname' => 'node',
+              'contents' => [
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+                  'text' => '
+',
+                  'type' => 'empty_line'
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+                {
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+                      'text' => '
+',
+                      'type' => 'misc_arg'
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+                    'line_nr' => 84,
+                    'macro' => ''
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+                'nodes_manuals' => [
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+                    'node_content' => [
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+                  {
+                    'node_content' => [
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+                    'normalized' => 'continuity'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 82,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
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+                  'text' => '
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+                  'type' => 'misc_arg'
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+              ],
+              'cmdname' => 'bye',
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 2
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
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+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
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-        'args' => [
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-            'contents' => [
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-                'parent' => {},
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-            'extra' => {
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-            'parent' => {},
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-      {
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-            'contents' => [
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-                'parent' => {},
-                'text' => 'unnumbered chapter text.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 72,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'continuity'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Third node unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => '  '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Last node no description'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'continuity'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Third-node-unnumbered'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Last-node-no-description'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'continuity',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 76,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered continuity'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Unumbered and node needed for continuity between 
automatic 
-'
-              },
-              {
-                'parent' => {},
-                'text' => 'directions and lone node.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 77,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Last node no description'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'continuity'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'misc_arg'
-              }
-            ],
-            'cmdname' => 'contents',
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 84,
-              'macro' => ''
-            },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Last-node-no-description'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'continuity'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Last-node-no-description',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 82,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'misc_arg'
-          }
-        ],
-        'cmdname' => 'bye',
-        'parent' => {}
-      }
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
+      'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
+    },
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   }
 ];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[5]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[6]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[7];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'complex_split_at_node'}[0];
-$result_trees{'complex_split_at_node'}[0]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[0]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[4]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[1];
-$result_trees{'complex_split_at_node'}[1]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[1]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[2];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[3];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[5];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[2];
-$result_trees{'complex_split_at_node'}[2]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[2]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[1];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[3];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[3]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[3]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[3]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[3]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[3];
-$result_trees{'complex_split_at_node'}[3]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[3]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[3]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[3]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[3]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[2];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[4]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[4];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[4]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[4]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[4]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[4]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[4];
-$result_trees{'complex_split_at_node'}[4]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[4]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[4]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[4]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[4]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[4]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[4]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[3];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[5]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[5];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[5]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[5]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[5]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[5]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[5];
-$result_trees{'complex_split_at_node'}[5]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[5]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[5]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[5]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[5]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[5]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[5]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[4];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[6]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[6];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[6]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[6]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[6]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[6]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[6];
-$result_trees{'complex_split_at_node'}[6]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[6]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[6]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[6]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[6]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[6]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[6]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[5];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[7]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[7];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[7]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[7]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[7];
-$result_trees{'complex_split_at_node'}[7]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[7]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[7]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[7]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[6];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[8]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[8];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[8]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[8]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[8]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[8]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[8];
-$result_trees{'complex_split_at_node'}[8]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[8]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[8]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[8]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[8]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[8]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[8]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[7];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[9]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[9];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[9]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[9]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[9]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[9]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[9];
-$result_trees{'complex_split_at_node'}[9]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[9]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[9]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[9]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[9]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[9]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[9]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[8];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[10];
-$result_trees{'complex_split_at_node'}[10]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[10]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[10]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[9];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[11];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[11]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[11]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[11];
-$result_trees{'complex_split_at_node'}[11]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[11]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[11]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[11]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[10];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[12]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[12];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[12]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[12]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[12];
-$result_trees{'complex_split_at_node'}[12]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[12]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[12]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[12]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[12]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[12]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[12]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[11];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[13];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'args'}[0];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[13]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[13]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[13];
-$result_trees{'complex_split_at_node'}[13]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[13]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[13]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[13]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[12];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[2];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[3];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[0]{'parent'} = 
$result_trees{'complex_split_at_node'}[14];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'complex_split_at_node'}[14]{'contents'}[1];
-$result_trees{'complex_split_at_node'}[14]{'contents'}[1]{'parent'} = 
$result_trees{'complex_split_at_node'}[14];
-$result_trees{'complex_split_at_node'}[14]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[14]{'contents'}[0];
-$result_trees{'complex_split_at_node'}[14]{'structure'}{'unit_prev'} = 
$result_trees{'complex_split_at_node'}[13];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[6]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[7];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'contents'}[5];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[1]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'contents'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'contents'}[1]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[0]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[2]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'args'}[3]{'contents'}[0];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[29]{'args'}[0]{'parent'}
 = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[29];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[29]{'parent'}
 = $result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'complex_split_at_node'}[0]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'contents'}[2] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[0]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'complex_split_at_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'complex_split_at_node'}[1]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[1]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[1]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[1]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'complex_split_at_node'}[1]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'complex_split_at_node'}[2]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex_split_at_node'}[2]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[2]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex_split_at_node'}[2]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'complex_split_at_node'}[2]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'complex_split_at_node'}[3]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex_split_at_node'}[3]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex_split_at_node'}[3]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex_split_at_node'}[3]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'complex_split_at_node'}[3]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'complex_split_at_node'}[4]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex_split_at_node'}[4]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex_split_at_node'}[4]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex_split_at_node'}[4]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'complex_split_at_node'}[4]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'complex_split_at_node'}[5]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex_split_at_node'}[5]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex_split_at_node'}[5]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex_split_at_node'}[5]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[12];
+$result_trees{'complex_split_at_node'}[5]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[11];
+$result_trees{'complex_split_at_node'}[6]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex_split_at_node'}[6]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex_split_at_node'}[6]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex_split_at_node'}[6]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[14];
+$result_trees{'complex_split_at_node'}[6]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[13];
+$result_trees{'complex_split_at_node'}[7]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex_split_at_node'}[7]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[7]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex_split_at_node'}[7]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[16];
+$result_trees{'complex_split_at_node'}[7]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[15];
+$result_trees{'complex_split_at_node'}[8]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex_split_at_node'}[8]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex_split_at_node'}[8]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex_split_at_node'}[8]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[18];
+$result_trees{'complex_split_at_node'}[8]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[17];
+$result_trees{'complex_split_at_node'}[9]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex_split_at_node'}[9]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex_split_at_node'}[9]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex_split_at_node'}[9]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[20];
+$result_trees{'complex_split_at_node'}[9]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[19];
+$result_trees{'complex_split_at_node'}[10]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[10]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[10]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[21];
+$result_trees{'complex_split_at_node'}[11]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[11]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[11]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[11]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[23];
+$result_trees{'complex_split_at_node'}[11]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[22];
+$result_trees{'complex_split_at_node'}[12]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex_split_at_node'}[12]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[12]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex_split_at_node'}[12]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[25];
+$result_trees{'complex_split_at_node'}[12]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[24];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[13]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[13]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[13]{'extra'}{'section'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[27];
+$result_trees{'complex_split_at_node'}[13]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[26];
+$result_trees{'complex_split_at_node'}[14]{'contents'}[0] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[14]{'contents'}[1] = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[29];
+$result_trees{'complex_split_at_node'}[14]{'extra'}{'node'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
+$result_trees{'complex_split_at_node'}[14]{'extra'}{'unit_command'} = 
$result_trees{'complex_split_at_node'}[0]{'contents'}[0]{'parent'}{'contents'}[28];
 
 $result_texis{'complex_split_at_node'} = '@node Top,First node,(dir)
 @top
@@ -3377,253 +3326,663 @@ $result_sectioning{'complex_split_at_node'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          }
-        },
-        'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'First-node',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_childs' => [
-                  {
-                    'cmdname' => 'unnumberedsec',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'unnumbered',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {}
-                      },
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 2,
-                      'section_childs' => [
-                        {
-                          'cmdname' => 'unnumberedsubsec',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'unnumbered-sub',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_up' => {}
-                          }
-                        },
-                        {
-                          'cmdname' => 'subsection',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
-                          }
-                        },
-                        {
-                          'cmdname' => 'unnumberedsubsec',
-                          'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'unnumbered-sub2',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
-                          }
-                        },
-                        {
-                          'cmdname' => 'subsection',
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
                           'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub2',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
+                            'normalized' => 'First-node',
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 3,
-                            'section_prev' => {},
-                            'section_up' => {}
+                            'associated_unit' => {}
                           }
-                        }
-                      ],
-                      'section_up' => {}
-                    }
-                  },
-                  {
-                    'cmdname' => 'unnumberedsec',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'unnumbered2',
-                          'spaces_before_argument' => ' '
                         },
-                        'structure' => {}
-                      },
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 2,
-                      'section_childs' => [
-                        {
-                          'cmdname' => 'subsection',
+                        'section' => {
+                          'cmdname' => 'chapter',
                           'extra' => {
-                            'associated_node' => {
-                              'cmdname' => 'node',
-                              'extra' => {
-                                'normalized' => 'numbered-sub3',
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {}
-                            },
+                            'associated_node' => {},
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 3,
-                            'section_up' => {}
-                          }
-                        }
-                      ],
-                      'section_prev' => {},
-                      'section_up' => {}
-                    }
-                  },
-                  {
-                    'cmdname' => 'section',
-                    'extra' => {
-                      'associated_node' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered',
-                          'spaces_before_argument' => ' '
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_childs' => [
+                              {
+                                'cmdname' => 'unnumberedsec',
+                                'extra' => {
+                                  'associated_node' => {
+                                    'cmdname' => 'node',
+                                    'extra' => {
+                                      'normalized' => 'unnumbered',
+                                      'spaces_before_argument' => ' '
+                                    },
+                                    'structure' => {
+                                      'associated_unit' => {
+                                        'extra' => {
+                                          'node' => {},
+                                          'section' => {},
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'FastForward' => {
+                                              'extra' => {
+                                                'node' => {
+                                                  'cmdname' => 'node',
+                                                  'extra' => {
+                                                    'normalized' => 
'Second-node',
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {}
+                                                  }
+                                                },
+                                                'section' => {
+                                                  'cmdname' => 'chapter',
+                                                  'extra' => {
+                                                    'associated_node' => {},
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {},
+                                                    'level' => 1,
+                                                    'number' => 2,
+                                                    'section_prev' => {},
+                                                    'section_up' => {},
+                                                    'toplevel_prev' => {},
+                                                    'toplevel_up' => {}
+                                                  }
+                                                },
+                                                'unit_command' => {}
+                                              },
+                                              'structure' => {
+                                                'directions' => {
+                                                  'Back' => {
+                                                    'extra' => {
+                                                      'node' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'between-node',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{}
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {
+                                                          'extra' => {
+                                                            'node' => {
+                                                              'cmdname' => 
'node',
+                                                              'extra' => {
+                                                                'normalized' 
=> 'numbered',
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {}
+                                                              }
+                                                            },
+                                                            'section' => {
+                                                              'cmdname' => 
'section',
+                                                              'extra' => {
+                                                                
'associated_node' => {},
+                                                                
'spaces_before_argument' => '  '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 2,
+                                                                'number' => 
'1.1',
+                                                                'section_prev' 
=> {
+                                                                  'cmdname' => 
'unnumberedsec',
+                                                                  'extra' => {
+                                                                    
'associated_node' => {
+                                                                      
'cmdname' => 'node',
+                                                                      'extra' 
=> {
+                                                                        
'normalized' => 'unnumbered2',
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {
+                                                                          
'extra' => {
+                                                                            
'node' => {},
+                                                                            
'section' => {},
+                                                                            
'unit_command' => {}
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'directions' => {
+                                                                              
'Back' => {
+                                                                               
 'extra' => {
+                                                                               
   'node' => {
+                                                                               
     'cmdname' => 'node',
+                                                                               
     'extra' => {
+                                                                               
       'normalized' => 'numbered-sub2',
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {}
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'section' => {
+                                                                               
     'cmdname' => 'subsection',
+                                                                               
     'extra' => {
+                                                                               
       'associated_node' => {},
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {},
+                                                                               
       'level' => 3,
+                                                                               
       'section_prev' => {
+                                                                               
         'cmdname' => 'unnumberedsubsec',
+                                                                               
         'extra' => {
+                                                                               
           'associated_node' => {
+                                                                               
             'cmdname' => 'node',
+                                                                               
             'extra' => {
+                                                                               
               'normalized' => 'unnumbered-sub2',
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {
+                                                                               
                 'extra' => {
+                                                                               
                   'node' => {},
+                                                                               
                   'section' => {},
+                                                                               
                   'unit_command' => {}
+                                                                               
                 },
+                                                                               
                 'structure' => {
+                                                                               
                   'directions' => {
+                                                                               
                     'Back' => {
+                                                                               
                       'extra' => {
+                                                                               
                         'node' => {
+                                                                               
                           'cmdname' => 'node',
+                                                                               
                           'extra' => {
+                                                                               
                             'normalized' => 'numbered-sub',
+                                                                               
                             'spaces_before_argument' => ' '
+                                                                               
                           },
+                                                                               
                           'structure' => {
+                                                                               
                             'associated_unit' => {}
+                                                                               
                           }
+                                                                               
                         },
+                                                                               
                         'section' => {
+                                                                               
                           'cmdname' => 'subsection',
+                                                                               
                           'extra' => {
+                                                                               
                             'associated_node' => {},
+                                                                               
                             'spaces_before_argument' => ' '
+                                                                               
                           },
+                                                                               
                           'structure' => {
+                                                                               
                             'associated_unit' => {},
+                                                                               
                             'level' => 3,
+                                                                               
                             'section_prev' => {
+                                                                               
                               'cmdname' => 'unnumberedsubsec',
+                                                                               
                               'extra' => {
+                                                                               
                                 'associated_node' => {
+                                                                               
                                   'cmdname' => 'node',
+                                                                               
                                   'extra' => {
+                                                                               
                                     'normalized' => 'unnumbered-sub',
+                                                                               
                                     'spaces_before_argument' => ' '
+                                                                               
                                   },
+                                                                               
                                   'structure' => {
+                                                                               
                                     'associated_unit' => {
+                                                                               
                                       'extra' => {
+                                                                               
                                         'node' => {},
+                                                                               
                                         'section' => {},
+                                                                               
                                         'unit_command' => {}
+                                                                               
                                       },
+                                                                               
                                       'structure' => {
+                                                                               
                                         'directions' => {
+                                                                               
                                           'Back' => {},
+                                                                               
                                           'FastBack' => {},
+                                                                               
                                           'FastForward' => {},
+                                                                               
                                           'Forward' => {},
+                                                                               
                                           'Next' => {},
+                                                                               
                                           'NodeBack' => {},
+                                                                               
                                           'NodeForward' => {},
+                                                                               
                                           'NodeNext' => {},
+                                                                               
                                           'NodeUp' => {},
+                                                                               
                                           'This' => {},
+                                                                               
                                           'Up' => {}
+                                                                               
                                         },
+                                                                               
                                         'unit_next' => {},
+                                                                               
                                         'unit_prev' => {}
+                                                                               
                                       },
+                                                                               
                                       'type' => 'unit'
+                                                                               
                                     }
+                                                                               
                                   }
+                                                                               
                                 },
+                                                                               
                                 'spaces_before_argument' => ' '
+                                                                               
                               },
+                                                                               
                               'structure' => {
+                                                                               
                                 'associated_unit' => {},
+                                                                               
                                 'level' => 3,
+                                                                               
                                 'section_up' => {}
+                                                                               
                               }
+                                                                               
                             },
+                                                                               
                             'section_up' => {}
+                                                                               
                           }
+                                                                               
                         },
+                                                                               
                         'unit_command' => {}
+                                                                               
                       },
+                                                                               
                       'structure' => {
+                                                                               
                         'directions' => {
+                                                                               
                           'Back' => {},
+                                                                               
                           'FastBack' => {},
+                                                                               
                           'FastForward' => {},
+                                                                               
                           'Forward' => {},
+                                                                               
                           'Next' => {},
+                                                                               
                           'NodeBack' => {},
+                                                                               
                           'NodeForward' => {},
+                                                                               
                           'NodeNext' => {},
+                                                                               
                           'NodePrev' => {},
+                                                                               
                           'NodeUp' => {},
+                                                                               
                           'Prev' => {},
+                                                                               
                           'This' => {},
+                                                                               
                           'Up' => {}
+                                                                               
                         },
+                                                                               
                         'unit_next' => {},
+                                                                               
                         'unit_prev' => {}
+                                                                               
                       },
+                                                                               
                       'type' => 'unit'
+                                                                               
                     },
+                                                                               
                     'FastBack' => {},
+                                                                               
                     'FastForward' => {},
+                                                                               
                     'Forward' => {},
+                                                                               
                     'Next' => {},
+                                                                               
                     'NodeBack' => {},
+                                                                               
                     'NodeForward' => {},
+                                                                               
                     'NodeNext' => {},
+                                                                               
                     'NodePrev' => {},
+                                                                               
                     'NodeUp' => {},
+                                                                               
                     'Prev' => {},
+                                                                               
                     'This' => {},
+                                                                               
                     'Up' => {}
+                                                                               
                   },
+                                                                               
                   'unit_next' => {},
+                                                                               
                   'unit_prev' => {}
+                                                                               
                 },
+                                                                               
                 'type' => 'unit'
+                                                                               
               }
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'spaces_before_argument' => ' '
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'associated_unit' => {},
+                                                                               
           'level' => 3,
+                                                                               
           'section_prev' => {},
+                                                                               
           'section_up' => {}
+                                                                               
         }
+                                                                               
       },
+                                                                               
       'section_up' => {}
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'unit_command' => {}
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'directions' => {
+                                                                               
     'Back' => {},
+                                                                               
     'FastBack' => {},
+                                                                               
     'FastForward' => {},
+                                                                               
     'Forward' => {},
+                                                                               
     'NodeBack' => {},
+                                                                               
     'NodeForward' => {},
+                                                                               
     'NodePrev' => {},
+                                                                               
     'NodeUp' => {},
+                                                                               
     'Prev' => {},
+                                                                               
     'This' => {},
+                                                                               
     'Up' => {}
+                                                                               
   },
+                                                                               
   'unit_next' => {},
+                                                                               
   'unit_prev' => {}
+                                                                               
 },
+                                                                               
 'type' => 'unit'
+                                                                              
},
+                                                                              
'FastBack' => {},
+                                                                              
'FastForward' => {},
+                                                                              
'Forward' => {
+                                                                               
 'extra' => {
+                                                                               
   'node' => {
+                                                                               
     'cmdname' => 'node',
+                                                                               
     'extra' => {
+                                                                               
       'normalized' => 'numbered-sub3',
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {}
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'section' => {
+                                                                               
     'cmdname' => 'subsection',
+                                                                               
     'extra' => {
+                                                                               
       'associated_node' => {},
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {},
+                                                                               
       'level' => 3,
+                                                                               
       'section_up' => {}
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'unit_command' => {}
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'directions' => {
+                                                                               
     'Back' => {},
+                                                                               
     'FastBack' => {},
+                                                                               
     'FastForward' => {},
+                                                                               
     'Forward' => {},
+                                                                               
     'NodeBack' => {},
+                                                                               
     'NodeForward' => {},
+                                                                               
     'NodeUp' => {},
+                                                                               
     'This' => {},
+                                                                               
     'Up' => {}
+                                                                               
   },
+                                                                               
   'unit_next' => {},
+                                                                               
   'unit_prev' => {}
+                                                                               
 },
+                                                                               
 'type' => 'unit'
+                                                                              
},
+                                                                              
'Next' => {},
+                                                                              
'NodeBack' => {},
+                                                                              
'NodeForward' => {},
+                                                                              
'NodeNext' => {},
+                                                                              
'NodePrev' => {},
+                                                                              
'NodeUp' => {},
+                                                                              
'Prev' => {},
+                                                                              
'This' => {},
+                                                                              
'Up' => {}
+                                                                            },
+                                                                            
'unit_next' => {},
+                                                                            
'unit_prev' => {}
+                                                                          },
+                                                                          
'type' => 'unit'
+                                                                        }
+                                                                      }
+                                                                    },
+                                                                    
'spaces_before_argument' => ' '
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'associated_unit' => {},
+                                                                    'level' => 
2,
+                                                                    
'section_childs' => [
+                                                                      {}
+                                                                    ],
+                                                                    
'section_prev' => {},
+                                                                    
'section_up' => {}
+                                                                  }
+                                                                },
+                                                                'section_up' 
=> {}
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
+                                                              'FastBack' => {},
+                                                              'FastForward' => 
{},
+                                                              'Forward' => {},
+                                                              'NodeBack' => {},
+                                                              'NodePrev' => {},
+                                                              'NodeUp' => {},
+                                                              'Prev' => {},
+                                                              'This' => {},
+                                                              'Up' => {}
+                                                            },
+                                                            'unit_next' => {},
+                                                            'unit_prev' => {}
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
+                                                        'FastForward' => {},
+                                                        'Forward' => {},
+                                                        'NodeUp' => {},
+                                                        'This' => {}
+                                                      },
+                                                      'unit_next' => {},
+                                                      'unit_prev' => {}
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'FastBack' => {},
+                                                  'FastForward' => {
+                                                    'extra' => {
+                                                      'node' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'Third-node-unnumbered',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{}
+                                                        }
+                                                      },
+                                                      'section' => {
+                                                        'cmdname' => 
'unnumbered',
+                                                        'extra' => {
+                                                          'associated_node' => 
{},
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{},
+                                                          'level' => 1,
+                                                          'section_prev' => {},
+                                                          'section_up' => {},
+                                                          'toplevel_prev' => 
{},
+                                                          'toplevel_up' => {}
+                                                        }
+                                                      },
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'FastForward' => {
+                                                          'extra' => {
+                                                            'node' => {
+                                                              'cmdname' => 
'node',
+                                                              'extra' => {
+                                                                'normalized' 
=> 'continuity',
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {}
+                                                              }
+                                                            },
+                                                            'section' => {
+                                                              'cmdname' => 
'unnumbered',
+                                                              'extra' => {
+                                                                
'associated_node' => {},
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 1,
+                                                                'section_prev' 
=> {},
+                                                                'section_up' 
=> {},
+                                                                
'toplevel_prev' => {},
+                                                                'toplevel_up' 
=> {}
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
+                                                              'FastBack' => {},
+                                                              'Forward' => {
+                                                                'extra' => {
+                                                                  'node' => {
+                                                                    'cmdname' 
=> 'node',
+                                                                    'extra' => 
{
+                                                                      
'normalized' => 'Last-node-no-description',
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {}
+                                                                    }
+                                                                  },
+                                                                  
'unit_command' => {}
+                                                                },
+                                                                'structure' => 
{
+                                                                  'directions' 
=> {
+                                                                    'Back' => 
{},
+                                                                    'FastBack' 
=> {},
+                                                                    'NodePrev' 
=> {},
+                                                                    'NodeUp' 
=> {},
+                                                                    'This' => 
{}
+                                                                  },
+                                                                  'unit_prev' 
=> {}
+                                                                },
+                                                                'type' => 
'unit'
+                                                              },
+                                                              'NodeBack' => {},
+                                                              'NodeForward' => 
{},
+                                                              'NodeNext' => {},
+                                                              'NodePrev' => {},
+                                                              'NodeUp' => {},
+                                                              'Prev' => {},
+                                                              'This' => {},
+                                                              'Up' => {}
+                                                            },
+                                                            'unit_next' => {},
+                                                            'unit_prev' => {}
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
+                                                        'Forward' => {},
+                                                        'Next' => {},
+                                                        'NodeBack' => {},
+                                                        'NodeForward' => {},
+                                                        'NodeNext' => {},
+                                                        'NodePrev' => {},
+                                                        'NodeUp' => {},
+                                                        'Prev' => {},
+                                                        'This' => {},
+                                                        'Up' => {}
+                                                      },
+                                                      'unit_next' => {},
+                                                      'unit_prev' => {}
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'Forward' => {},
+                                                  'Next' => {},
+                                                  'NodeForward' => {},
+                                                  'NodeNext' => {},
+                                                  'NodeUp' => {},
+                                                  'Prev' => {},
+                                                  'This' => {},
+                                                  'Up' => {}
+                                                },
+                                                'unit_next' => {},
+                                                'unit_prev' => {}
+                                              },
+                                              'type' => 'unit'
+                                            },
+                                            'Forward' => {},
+                                            'Next' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodeNext' => {},
+                                            'NodeUp' => {},
+                                            'This' => {},
+                                            'Up' => {}
+                                          },
+                                          'unit_next' => {},
+                                          'unit_prev' => {}
+                                        },
+                                        'type' => 'unit'
+                                      }
+                                    }
+                                  },
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 2,
+                                  'section_childs' => [
+                                    {},
+                                    {},
+                                    {},
+                                    {}
+                                  ],
+                                  'section_up' => {}
+                                }
+                              },
+                              {},
+                              {}
+                            ],
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {},
+                          'Forward' => {},
+                          'Next' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
                         },
-                        'structure' => {}
+                        'unit_next' => {},
+                        'unit_prev' => {}
                       },
-                      'spaces_before_argument' => '  '
+                      'type' => 'unit'
                     },
-                    'structure' => {
-                      'level' => 2,
-                      'number' => '1.1',
-                      'section_prev' => {},
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Second-node',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'unnumbered',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Third-node-unnumbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'unnumbered',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'continuity',
-                    'spaces_before_argument' => ' '
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
                   },
-                  'structure' => {}
+                  'unit_next' => {}
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
+                'type' => 'unit'
               }
             }
+          }
+        },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0,
+          'section_childs' => [
+            {},
+            {},
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -3631,34 +3990,268 @@ $result_sectioning{'complex_split_at_node'} = {
     ]
   }
 };
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForwar
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direction
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_nod
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associate
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_chil [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associ
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex_split_a [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = $result_sectioning{'complex_split_at [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex_spli [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
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+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
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+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'extra'}{'associated_node'}{'structur
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 [...]
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 [...]
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 [...]
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 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}
 = $re [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_childs'}[0]
 = $ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_prev'}
 = $resul [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_up'}
 = $result_ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex_split_at_ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'s [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_sectioning{'complex_split_at_node'}{'stru [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'complex_split_at_node'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_sectioning{'complex_split_at_node' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_sectioning{'complex_split_at_node'}{'s [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = $result_sectioning{'complex_split_at_node'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = $result_sectioning{'complex_split_at_node'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_sectioning{'complex_split_at_node'}{'st [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_sectioning{'complex_split_at_node'}{'stru [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'complex_split_at_node'}{'stru [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{'complex_split_at_node'}{'struct [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0] 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'ex
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'ext
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'assoc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'assoc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'secti [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'sectio [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'se [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'secti [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'sect [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'sectio [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0] 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs' 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_sectioning{'c [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = $result_sectioning{'co [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_sectioning [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'c [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'com [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'co [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_sectioning{'complex_split_at_node'}{' [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_sectioning{'complex_split_a [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'complex_spl [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'ass
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = $result [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBa
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePr
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $resul [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_sectioning{'complex_spl [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_sectioning{'complex_ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_sectioning{'complex_spl [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_sectioning{'complex_spl [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_sectioning{'complex_split [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_sectioning{'complex_split_a [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'complex_split_a [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{'complex_split_at_ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = $result_sectioning{'complex_split_at_node'}{ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_sectioning{'complex_split_at_node'}{ [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'} 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0] 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs' 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_chil [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs' 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs' 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[ 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0] 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0] 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{' 
[...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structur
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'a
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associat
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associat
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direct
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direction
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'di
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'direction
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_ch
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_n
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_n
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'struc
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associat
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{
 [...]
+$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]
 = 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{
 [...]
 
$result_sectioning{'complex_split_at_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'complex_split_at_node'};
 
 $result_nodes{'complex_split_at_node'} = {
@@ -3668,280 +4261,979 @@ $result_nodes{'complex_split_at_node'} = {
       'cmdname' => 'top',
       'extra' => {},
       'structure' => {
-        'level' => 0
-      }
-    },
-    'normalized' => 'Top',
-    'spaces_before_argument' => ' '
-  },
-  'menus' => [
-    {
-      'cmdname' => 'menu',
-      'extra' => {
-        'end_command' => {
-          'cmdname' => 'end',
-          'extra' => {
-            'command_argument' => 'menu',
-            'spaces_before_argument' => ' ',
-            'text_arg' => 'menu'
-          }
-        }
-      }
-    }
-  ],
-  'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'First-node',
-        'spaces_before_argument' => ' '
-      },
-      'menus' => [
-        {
-          'cmdname' => 'menu',
-          'extra' => {
-            'end_command' => {
-              'cmdname' => 'end',
-              'extra' => {
-                'command_argument' => 'menu',
-                'spaces_before_argument' => ' ',
-                'text_arg' => 'menu'
-              }
-            }
-          }
-        }
-      ],
-      'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
+        'associated_unit' => {
           'extra' => {
-            'associated_section' => {
-              'cmdname' => 'unnumberedsec',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 2
-              }
-            },
-            'normalized' => 'unnumbered',
-            'spaces_before_argument' => ' '
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
           },
-          'menus' => [
-            {
-              'cmdname' => 'menu',
-              'extra' => {
-                'end_command' => {
-                  'cmdname' => 'end',
-                  'extra' => {
-                    'command_argument' => 'menu',
-                    'spaces_before_argument' => ' ',
-                    'text_arg' => 'menu'
-                  }
-                }
-              }
-            }
-          ],
           'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'associated_section' => {
-                  'cmdname' => 'unnumberedsubsec',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 3
-                  }
-                },
-                'normalized' => 'unnumbered-sub',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'associated_section' => {
-                      'cmdname' => 'subsection',
-                      'extra' => {
-                        'spaces_before_argument' => ' '
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
                       },
-                      'structure' => {
-                        'level' => 3
-                      }
+                      'normalized' => 'First-node',
+                      'spaces_before_argument' => ' '
                     },
-                    'normalized' => 'numbered-sub',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'node_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'associated_section' => {
-                          'cmdname' => 'unnumberedsubsec',
-                          'extra' => {
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'level' => 3
+                    'menus' => [
+                      {
+                        'cmdname' => 'menu',
+                        'extra' => {
+                          'end_command' => {
+                            'cmdname' => 'end',
+                            'extra' => {
+                              'command_argument' => 'menu',
+                              'spaces_before_argument' => ' ',
+                              'text_arg' => 'menu'
+                            }
                           }
-                        },
-                        'normalized' => 'unnumbered-sub2',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'node_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'associated_section' => {
-                              'cmdname' => 'subsection',
-                              'extra' => {
-                                'spaces_before_argument' => ' '
-                              },
-                              'structure' => {
-                                'level' => 3
-                              }
+                        }
+                      }
+                    ],
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_child' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'unnumberedsec',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
                             },
-                            'normalized' => 'numbered-sub2',
-                            'spaces_before_argument' => ' '
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'node' => {},
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'FastForward' => {
+                                      'extra' => {
+                                        'node' => {
+                                          'cmdname' => 'node',
+                                          'extra' => {
+                                            'associated_section' => {
+                                              'cmdname' => 'chapter',
+                                              'extra' => {
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'level' => 1,
+                                                'number' => 2
+                                              }
+                                            },
+                                            'normalized' => 'Second-node',
+                                            'spaces_before_argument' => ' '
+                                          },
+                                          'structure' => {
+                                            'associated_unit' => {},
+                                            'node_next' => {
+                                              'cmdname' => 'node',
+                                              'extra' => {
+                                                'associated_section' => {
+                                                  'cmdname' => 'unnumbered',
+                                                  'extra' => {
+                                                    'spaces_before_argument' 
=> ' '
+                                                  },
+                                                  'structure' => {
+                                                    'associated_unit' => {
+                                                      'extra' => {
+                                                        'node' => {},
+                                                        'section' => {},
+                                                        'unit_command' => {}
+                                                      },
+                                                      'structure' => {
+                                                        'directions' => {
+                                                          'Back' => {},
+                                                          'FastBack' => {},
+                                                          'FastForward' => {
+                                                            'extra' => {
+                                                              'node' => {
+                                                                'cmdname' => 
'node',
+                                                                'extra' => {
+                                                                  
'associated_section' => {
+                                                                    'cmdname' 
=> 'unnumbered',
+                                                                    'extra' => 
{
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {},
+                                                                      'level' 
=> 1
+                                                                    }
+                                                                  },
+                                                                  'normalized' 
=> 'continuity',
+                                                                  
'spaces_before_argument' => ' '
+                                                                },
+                                                                'structure' => 
{
+                                                                  
'associated_unit' => {},
+                                                                  'node_next' 
=> {},
+                                                                  'node_prev' 
=> {
+                                                                    'cmdname' 
=> 'node',
+                                                                    'extra' => 
{
+                                                                      
'normalized' => 'Last-node-no-description',
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {
+                                                                        
'extra' => {
+                                                                          
'node' => {},
+                                                                          
'unit_command' => {}
+                                                                        },
+                                                                        
'structure' => {
+                                                                          
'directions' => {
+                                                                            
'Back' => {},
+                                                                            
'FastBack' => {},
+                                                                            
'NodePrev' => {},
+                                                                            
'NodeUp' => {},
+                                                                            
'This' => {}
+                                                                          },
+                                                                          
'unit_prev' => {}
+                                                                        },
+                                                                        'type' 
=> 'unit'
+                                                                      },
+                                                                      
'node_prev' => {},
+                                                                      
'node_up' => {}
+                                                                    }
+                                                                  },
+                                                                  'node_up' => 
{}
+                                                                }
+                                                              },
+                                                              'section' => {},
+                                                              'unit_command' 
=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {},
+                                                                'FastBack' => 
{},
+                                                                'Forward' => 
{},
+                                                                'NodeBack' => 
{},
+                                                                'NodeForward' 
=> {},
+                                                                'NodeNext' => 
{},
+                                                                'NodePrev' => 
{},
+                                                                'NodeUp' => {},
+                                                                'Prev' => {},
+                                                                'This' => {},
+                                                                'Up' => {}
+                                                              },
+                                                              'unit_next' => 
{},
+                                                              'unit_prev' => {}
+                                                            },
+                                                            'type' => 'unit'
+                                                          },
+                                                          'Forward' => {},
+                                                          'Next' => {},
+                                                          'NodeBack' => {},
+                                                          'NodeForward' => {},
+                                                          'NodeNext' => {},
+                                                          'NodePrev' => {},
+                                                          'NodeUp' => {},
+                                                          'Prev' => {},
+                                                          'This' => {},
+                                                          'Up' => {}
+                                                        },
+                                                        'unit_next' => {},
+                                                        'unit_prev' => {}
+                                                      },
+                                                      'type' => 'unit'
+                                                    },
+                                                    'level' => 1
+                                                  }
+                                                },
+                                                'normalized' => 
'Third-node-unnumbered',
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'node_next' => {},
+                                                'node_prev' => {},
+                                                'node_up' => {}
+                                              }
+                                            },
+                                            'node_up' => {}
+                                          }
+                                        },
+                                        'section' => {},
+                                        'unit_command' => {}
+                                      },
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+                                        'directions' => {
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+                                            'extra' => {
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+                                                'cmdname' => 'node',
+                                                'extra' => {
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'between-node',
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {},
+                                                  'node_up' => {}
+                                                }
+                                              },
+                                              'unit_command' => {}
+                                            },
+                                            'structure' => {
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+                                                  'extra' => {
+                                                    'node' => {
+                                                      'cmdname' => 'node',
+                                                      'extra' => {
+                                                        'associated_section' 
=> {
+                                                          'cmdname' => 
'section',
+                                                          'extra' => {
+                                                            
'spaces_before_argument' => '  '
+                                                          },
+                                                          'structure' => {
+                                                            'associated_unit' 
=> {},
+                                                            'level' => 2,
+                                                            'number' => '1.1'
+                                                          }
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'numbered',
+                                                        
'spaces_before_argument' => ' '
+                                                      },
+                                                      'structure' => {
+                                                        'associated_unit' => 
{},
+                                                        'node_prev' => {
+                                                          'cmdname' => 'node',
+                                                          'extra' => {
+                                                            
'associated_section' => {
+                                                              'cmdname' => 
'unnumberedsec',
+                                                              'extra' => {
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {
+                                                                  'extra' => {
+                                                                    'node' => 
{},
+                                                                    'section' 
=> {},
+                                                                    
'unit_command' => {}
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'directions' => {
+                                                                      'Back' 
=> {
+                                                                        
'extra' => {
+                                                                          
'node' => {
+                                                                            
'cmdname' => 'node',
+                                                                            
'extra' => {
+                                                                              
'associated_section' => {
+                                                                               
 'cmdname' => 'subsection',
+                                                                               
 'extra' => {
+                                                                               
   'spaces_before_argument' => ' '
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'associated_unit' => {},
+                                                                               
   'level' => 3
+                                                                               
 }
+                                                                              
},
+                                                                              
'normalized' => 'numbered-sub2',
+                                                                              
'spaces_before_argument' => ' '
+                                                                            },
+                                                                            
'structure' => {
+                                                                              
'associated_unit' => {},
+                                                                              
'node_prev' => {
+                                                                               
 'cmdname' => 'node',
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 'extra' => {
+                                                                               
   'associated_section' => {
+                                                                               
     'cmdname' => 'unnumberedsubsec',
+                                                                               
     'extra' => {
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {
+                                                                               
         'extra' => {
+                                                                               
           'node' => {},
+                                                                               
           'section' => {},
+                                                                               
           'unit_command' => {}
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'directions' => {
+                                                                               
             'Back' => {
+                                                                               
               'extra' => {
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                 'node' => {
+                                                                               
                   'cmdname' => 'node',
+                                                                               
                   'extra' => {
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                     'associated_section' => {
+                                                                               
                       'cmdname' => 'subsection',
+                                                                               
                       'extra' => {
+                                                                               
                         'spaces_before_argument' => ' '
+                                                                               
                       },
+                                                                               
                       'structure' => {
+                                                                               
                         'associated_unit' => {},
+                                                                               
                         'level' => 3
+                                                                               
                       }
+                                                                               
                     },
+                                                                               
                     'normalized' => 'numbered-sub',
+                                                                               
                     'spaces_before_argument' => ' '
+                                                                               
                   },
+                                                                               
                   'structure' => {
+                                                                               
                     'associated_unit' => {},
+                                                                               
                     'node_next' => {},
+                                                                               
                     'node_prev' => {
+                                                                               
                       'cmdname' => 'node',
+                                                                               
                       'extra' => {
+                                                                               
                         'associated_section' => {
+                                                                               
                           'cmdname' => 'unnumberedsubsec',
+                                                                               
                           'extra' => {
+                                                                               
                             'spaces_before_argument' => ' '
+                                                                               
                           },
+                                                                               
                           'structure' => {
+                                                                               
                             'associated_unit' => {
+                                                                               
                               'extra' => {
+                                                                               
                                 'node' => {},
+                                                                               
                                 'section' => {},
+                                                                               
                                 'unit_command' => {}
+                                                                               
                               },
+                                                                               
                               'structure' => {
+                                                                               
                                 'directions' => {
+                                                                               
                                   'Back' => {},
+                                                                               
                                   'FastBack' => {},
+                                                                               
                                   'FastForward' => {},
+                                                                               
                                   'Forward' => {},
+                                                                               
                                   'Next' => {},
+                                                                               
                                   'NodeBack' => {},
+                                                                               
                                   'NodeForward' => {},
+                                                                               
                                   'NodeNext' => {},
+                                                                               
                                   'NodeUp' => {},
+                                                                               
                                   'This' => {},
+                                                                               
                                   'Up' => {}
+                                                                               
                                 },
+                                                                               
                                 'unit_next' => {},
+                                                                               
                                 'unit_prev' => {}
+                                                                               
                               },
+                                                                               
                               'type' => 'unit'
+                                                                               
                             },
+                                                                               
                             'level' => 3
+                                                                               
                           }
+                                                                               
                         },
+                                                                               
                         'normalized' => 'unnumbered-sub',
+                                                                               
                         'spaces_before_argument' => ' '
+                                                                               
                       },
+                                                                               
                       'structure' => {
+                                                                               
                         'associated_unit' => {},
+                                                                               
                         'node_next' => {},
+                                                                               
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+                                                                               
                       }
+                                                                               
                     },
+                                                                               
                     'node_up' => {}
+                                                                               
                   }
+                                                                               
                 },
+                                                                               
                 'section' => {},
+                                                                               
                 'unit_command' => {}
+                                                                               
               },
+                                                                               
               'structure' => {
+                                                                               
                 'directions' => {
+                                                                               
                   'Back' => {},
+                                                                               
                   'FastBack' => {},
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                   'FastForward' => {},
+                                                                               
                   'Forward' => {},
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                   'Next' => {},
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                   'NodeNext' => {},
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                   'NodePrev' => {},
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                   'Prev' => {},
+                                                                               
                   'This' => {},
+                                                                               
                   'Up' => {}
+                                                                               
                 },
+                                                                               
                 'unit_next' => {},
+                                                                               
                 'unit_prev' => {}
+                                                                               
               },
+                                                                               
               'type' => 'unit'
+                                                                               
             },
+                                                                               
             'FastBack' => {},
+                                                                               
             'FastForward' => {},
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             'Forward' => {},
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             'Next' => {},
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             'NodeBack' => {},
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             'NodeForward' => {},
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             'NodeNext' => {},
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             'NodePrev' => {},
+                                                                               
             'NodeUp' => {},
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             'Prev' => {},
+                                                                               
             'This' => {},
+                                                                               
             'Up' => {}
+                                                                               
           },
+                                                                               
           'unit_next' => {},
+                                                                               
           'unit_prev' => {}
+                                                                               
         },
+                                                                               
         'type' => 'unit'
+                                                                               
       },
+                                                                               
       'level' => 3
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'normalized' => 'unnumbered-sub2',
+                                                                               
   'spaces_before_argument' => ' '
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'associated_unit' => {},
+                                                                               
   'node_next' => {},
+                                                                               
   'node_prev' => {},
+                                                                               
   'node_up' => {}
+                                                                               
 }
+                                                                              
},
+                                                                              
'node_up' => {}
+                                                                            }
+                                                                          },
+                                                                          
'section' => {},
+                                                                          
'unit_command' => {}
+                                                                        },
+                                                                        
'structure' => {
+                                                                          
'directions' => {
+                                                                            
'Back' => {},
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'FastBack' => {},
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'FastForward' => {},
+                                                                            
'Forward' => {},
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'NodeBack' => {},
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'NodeForward' => {},
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'NodePrev' => {},
+                                                                            
'NodeUp' => {},
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'Prev' => {},
+                                                                            
'This' => {},
+                                                                            
'Up' => {}
+                                                                          },
+                                                                          
'unit_next' => {},
+                                                                          
'unit_prev' => {}
+                                                                        },
+                                                                        'type' 
=> 'unit'
+                                                                      },
+                                                                      
'FastBack' => {},
+                                                                      
'FastForward' => {},
+                                                                      
'Forward' => {
+                                                                        
'extra' => {
+                                                                          
'node' => {
+                                                                            
'cmdname' => 'node',
+                                                                            
'extra' => {
+                                                                              
'associated_section' => {
+                                                                               
 'cmdname' => 'subsection',
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 'extra' => {
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   'spaces_before_argument' => ' '
+                                                                               
 },
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 'structure' => {
+                                                                               
   'associated_unit' => {},
+                                                                               
   'level' => 3
+                                                                               
 }
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},
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'normalized' => 'numbered-sub3',
+                                                                              
'spaces_before_argument' => ' '
+                                                                            },
+                                                                            
'structure' => {
+                                                                              
'associated_unit' => {},
+                                                                              
'node_up' => {}
+                                                                            }
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+                                                                          
'section' => {},
+                                                                          
'unit_command' => {}
+                                                                        },
+                                                                        
'structure' => {
+                                                                          
'directions' => {
+                                                                            
'Back' => {},
+                                                                            
'FastBack' => {},
+                                                                            
'FastForward' => {},
+                                                                            
'Forward' => {},
+                                                                            
'NodeBack' => {},
+                                                                            
'NodeForward' => {},
+                                                                            
'NodeUp' => {},
+                                                                            
'This' => {},
+                                                                            
'Up' => {}
+                                                                          },
+                                                                          
'unit_next' => {},
+                                                                          
'unit_prev' => {}
+                                                                        },
+                                                                        'type' 
=> 'unit'
+                                                                      },
+                                                                      'Next' 
=> {},
+                                                                      
'NodeBack' => {},
+                                                                      
'NodeForward' => {},
+                                                                      
'NodeNext' => {},
+                                                                      
'NodePrev' => {},
+                                                                      'NodeUp' 
=> {},
+                                                                      'Prev' 
=> {},
+                                                                      'This' 
=> {},
+                                                                      'Up' => 
{}
+                                                                    },
+                                                                    
'unit_next' => {},
+                                                                    
'unit_prev' => {}
+                                                                  },
+                                                                  'type' => 
'unit'
+                                                                },
+                                                                'level' => 2
+                                                              }
+                                                            },
+                                                            'normalized' => 
'unnumbered2',
+                                                            
'spaces_before_argument' => ' '
+                                                          },
+                                                          'menus' => [
+                                                            {
+                                                              'cmdname' => 
'menu',
+                                                              'extra' => {
+                                                                'end_command' 
=> {
+                                                                  'cmdname' => 
'end',
+                                                                  'extra' => {
+                                                                    
'command_argument' => 'menu',
+                                                                    
'spaces_before_argument' => ' ',
+                                                                    'text_arg' 
=> 'menu'
+                                                                  }
+                                                                }
+                                                              }
+                                                            }
+                                                          ],
+                                                          'structure' => {
+                                                            'associated_unit' 
=> {},
+                                                            'menu_child' => {},
+                                                            'node_next' => {},
+                                                            'node_prev' => {},
+                                                            'node_up' => {}
+                                                          }
+                                                        },
+                                                        'node_up' => {}
+                                                      }
+                                                    },
+                                                    'section' => {},
+                                                    'unit_command' => {}
+                                                  },
+                                                  'structure' => {
+                                                    'directions' => {
+                                                      'Back' => {},
+                                                      'FastBack' => {},
+                                                      'FastForward' => {},
+                                                      'Forward' => {},
+                                                      'NodeBack' => {},
+                                                      'NodePrev' => {},
+                                                      'NodeUp' => {},
+                                                      'Prev' => {},
+                                                      'This' => {},
+                                                      'Up' => {}
+                                                    },
+                                                    'unit_next' => {},
+                                                    'unit_prev' => {}
+                                                  },
+                                                  'type' => 'unit'
+                                                },
+                                                'FastForward' => {},
+                                                'Forward' => {},
+                                                'NodeUp' => {},
+                                                'This' => {}
+                                              },
+                                              'unit_next' => {},
+                                              'unit_prev' => {}
+                                            },
+                                            'type' => 'unit'
+                                          },
+                                          'FastBack' => {},
+                                          'FastForward' => {},
+                                          'Forward' => {},
+                                          'Next' => {},
+                                          'NodeForward' => {},
+                                          'NodeNext' => {},
+                                          'NodeUp' => {},
+                                          'Prev' => {},
+                                          'This' => {},
+                                          'Up' => {}
+                                        },
+                                        'unit_next' => {},
+                                        'unit_prev' => {}
+                                      },
+                                      'type' => 'unit'
+                                    },
+                                    'Forward' => {},
+                                    'Next' => {},
+                                    'NodeBack' => {},
+                                    'NodeForward' => {},
+                                    'NodeNext' => {},
+                                    'NodeUp' => {},
+                                    'This' => {},
+                                    'Up' => {}
+                                  },
+                                  'unit_next' => {},
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 2
+                            }
                           },
-                          'structure' => {
-                            'node_prev' => {},
-                            'node_up' => {}
-                          }
+                          'normalized' => 'unnumbered',
+                          'spaces_before_argument' => ' '
                         },
-                        'node_prev' => {},
-                        'node_up' => {}
-                      }
-                    },
-                    'node_prev' => {},
-                    'node_up' => {}
-                  }
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-              }
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-              'extra' => {
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-                  },
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-                  }
-                },
-                'normalized' => 'unnumbered2',
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-                  'extra' => {
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-                      'extra' => {
-                        'command_argument' => 'menu',
-                        'spaces_before_argument' => ' ',
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-                }
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-                  'extra' => {
-                    'associated_section' => {
-                      'cmdname' => 'subsection',
-                      'extra' => {
-                        'spaces_before_argument' => ' '
+                        'menus' => [
+                          {
+                            'cmdname' => 'menu',
+                            'extra' => {
+                              'end_command' => {
+                                'cmdname' => 'end',
+                                'extra' => {
+                                  'command_argument' => 'menu',
+                                  'spaces_before_argument' => ' ',
+                                  'text_arg' => 'menu'
+                                }
+                              }
+                            }
+                          }
+                        ],
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_child' => {},
+                          'node_next' => {},
+                          'node_up' => {}
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                       },
-                      'structure' => {
-                        'level' => 3
-                      }
-                    },
-                    'normalized' => 'numbered-sub3',
-                    'spaces_before_argument' => ' '
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+                      'node_up' => {}
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                   },
-                  'structure' => {
-                    'node_up' => {}
-                  }
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'node_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'associated_section' => {
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-                        'level' => 2,
-                        'number' => '1.1'
-                      }
-                    },
-                    'normalized' => 'numbered',
-                    'spaces_before_argument' => ' '
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+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
                   },
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-                    'node_prev' => {},
-                    'node_up' => {}
-                  }
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+                  'unit_prev' => {}
                 },
-                'node_prev' => {},
-                'node_up' => {}
-              }
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+              'NodeForward' => {},
+              'NodeNext' => {},
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+              },
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             },
-            'node_up' => {}
-          }
+            'unit_next' => {}
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         },
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-        'node_up' => {}
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       }
     },
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     'node_prev' => {
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-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       }
     }
   }
 };
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'complex_split_at_node'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'};
-$result_nodes{'complex_split_at_node'}{'structure'}{'node_next'} = 
$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'complex_split_at_node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'complex_split_at_node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'d
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ext
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'str 
[...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{' [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_sectio [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associa [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'ass [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'st
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 =  [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}
 = $resul [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structu
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = $result_nodes{'complex_split_ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_nodes{'complex_s [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_no [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = $result_nod [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_no [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_no [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_no [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_node [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_nodes{ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_nodes{ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_nodes{'c [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = $result_nodes{'complex_ [...]
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 = $result_nodes{'complex_ [...]
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 = $result_nodes{'complex_split_at_node'}{'extra'}{'associate [...]
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 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_secti [...]
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 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_secti [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'direct
 [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
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 = $result_nodes{'complex_split_at_node'};
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 = $result_nodes{'complex_split_at_node'};
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'me
 [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'
 [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'
 [...]
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 = $result_nodes{'complex_split_at_node'};
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
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 = $result_nodes{'complex_split_at_node'}{'extra'} [...]
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 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structu 
[...]
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 = $res [...]
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 = $ [...]
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 [...]
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+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'menu_child'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associat [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associate [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associate [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'}{'extra'}{'associated_ [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'as
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'stru
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associat
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'asso
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'a
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'assoc
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'asso
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'asso
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associ
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associat
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associat
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directio
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'ass
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associ
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'as
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associ
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_sect
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'complex_split_at_node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'complex_split_at_node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'complex_split_at_node'}{'structure'}{'associated_unit'} = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'complex_split_at_node'}{'structure'}{'menu_child'} = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex_split_at_node'}{'structure'}{'node_next'} = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'complex_split_at_node'}{'structure'}{'node_prev'}{'extra'}{'manual_content'}
 = 
$result_nodes{'complex_split_at_node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}{'extra'}{'manual_content'};
 
 $result_menus{'complex_split_at_node'} = {
   'cmdname' => 'node',
@@ -3950,224 +5242,933 @@ $result_menus{'complex_split_at_node'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'First-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {},
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_child' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'unnumbered',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_child' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'unnumbered-sub',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered-sub',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'normalized' => 'unnumbered-sub2',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'menu_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'normalized' => 'numbered-sub2',
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'menu_prev' => {},
-                            'menu_up' => {},
-                            'menu_up_hash' => {
-                              'unnumbered' => 1
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'First-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_child' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'unnumbered',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'unnumberedsec',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 2
                             }
-                          }
+                          },
+                          'unit_command' => {}
                         },
-                        'menu_prev' => {},
-                        'menu_up' => {},
-                        'menu_up_hash' => {
-                          'unnumbered' => 1
-                        }
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'FastForward' => {
+                              'extra' => {
+                                'node' => {
+                                  'cmdname' => 'node',
+                                  'extra' => {
+                                    'normalized' => 'Second-node',
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'menu_next' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 
'Third-node-unnumbered',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {
+                                          'extra' => {
+                                            'node' => {},
+                                            'section' => {
+                                              'cmdname' => 'unnumbered',
+                                              'extra' => {
+                                                'spaces_before_argument' => ' '
+                                              },
+                                              'structure' => {
+                                                'associated_unit' => {},
+                                                'level' => 1
+                                              }
+                                            },
+                                            'unit_command' => {}
+                                          },
+                                          'structure' => {
+                                            'directions' => {
+                                              'Back' => {},
+                                              'FastBack' => {},
+                                              'FastForward' => {
+                                                'extra' => {
+                                                  'node' => {
+                                                    'cmdname' => 'node',
+                                                    'extra' => {
+                                                      'normalized' => 
'continuity',
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'menu_next' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'Last-node-no-description',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{
+                                                            'extra' => {
+                                                              'node' => {},
+                                                              'unit_command' 
=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {},
+                                                                'FastBack' => 
{},
+                                                                'NodePrev' => 
{},
+                                                                'NodeUp' => {},
+                                                                'This' => {}
+                                                              },
+                                                              'unit_prev' => {}
+                                                            },
+                                                            'type' => 'unit'
+                                                          },
+                                                          'menu_prev' => {},
+                                                          'menu_up' => {},
+                                                          'menu_up_hash' => {
+                                                            'Top' => 1
+                                                          }
+                                                        }
+                                                      },
+                                                      'menu_prev' => {},
+                                                      'menu_up' => {},
+                                                      'menu_up_hash' => {
+                                                        'Top' => 1
+                                                      }
+                                                    }
+                                                  },
+                                                  'section' => {
+                                                    'cmdname' => 'unnumbered',
+                                                    'extra' => {
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'level' => 1
+                                                    }
+                                                  },
+                                                  'unit_command' => {}
+                                                },
+                                                'structure' => {
+                                                  'directions' => {
+                                                    'Back' => {},
+                                                    'FastBack' => {},
+                                                    'Forward' => {},
+                                                    'NodeBack' => {},
+                                                    'NodeForward' => {},
+                                                    'NodeNext' => {},
+                                                    'NodePrev' => {},
+                                                    'NodeUp' => {},
+                                                    'Prev' => {},
+                                                    'This' => {},
+                                                    'Up' => {}
+                                                  },
+                                                  'unit_next' => {},
+                                                  'unit_prev' => {}
+                                                },
+                                                'type' => 'unit'
+                                              },
+                                              'Forward' => {},
+                                              'Next' => {},
+                                              'NodeBack' => {},
+                                              'NodeForward' => {},
+                                              'NodeNext' => {},
+                                              'NodePrev' => {},
+                                              'NodeUp' => {},
+                                              'Prev' => {},
+                                              'This' => {},
+                                              'Up' => {}
+                                            },
+                                            'unit_next' => {},
+                                            'unit_prev' => {}
+                                          },
+                                          'type' => 'unit'
+                                        },
+                                        'menu_next' => {},
+                                        'menu_prev' => {},
+                                        'menu_up' => {},
+                                        'menu_up_hash' => {
+                                          'Top' => 1
+                                        }
+                                      }
+                                    },
+                                    'menu_prev' => {
+                                      'cmdname' => 'node',
+                                      'extra' => {
+                                        'normalized' => 'between-node',
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {
+                                          'extra' => {
+                                            'node' => {},
+                                            'unit_command' => {}
+                                          },
+                                          'structure' => {
+                                            'directions' => {
+                                              'Back' => {
+                                                'extra' => {
+                                                  'node' => {
+                                                    'cmdname' => 'node',
+                                                    'extra' => {
+                                                      'normalized' => 
'numbered',
+                                                      'spaces_before_argument' 
=> ' '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'menu_prev' => {
+                                                        'cmdname' => 'node',
+                                                        'extra' => {
+                                                          'normalized' => 
'unnumbered2',
+                                                          
'spaces_before_argument' => ' '
+                                                        },
+                                                        'structure' => {
+                                                          'associated_unit' => 
{
+                                                            'extra' => {
+                                                              'node' => {},
+                                                              'section' => {
+                                                                'cmdname' => 
'unnumberedsec',
+                                                                'extra' => {
+                                                                  
'spaces_before_argument' => ' '
+                                                                },
+                                                                'structure' => 
{
+                                                                  
'associated_unit' => {},
+                                                                  'level' => 2
+                                                                }
+                                                              },
+                                                              'unit_command' 
=> {}
+                                                            },
+                                                            'structure' => {
+                                                              'directions' => {
+                                                                'Back' => {
+                                                                  'extra' => {
+                                                                    'node' => {
+                                                                      
'cmdname' => 'node',
+                                                                      'extra' 
=> {
+                                                                        
'normalized' => 'numbered-sub2',
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'menu_prev' => {
+                                                                          
'cmdname' => 'node',
+                                                                          
'extra' => {
+                                                                            
'normalized' => 'unnumbered-sub2',
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {
+                                                                              
'extra' => {
+                                                                               
 'node' => {},
+                                                                               
 'section' => {
+                                                                               
   'cmdname' => 'unnumberedsubsec',
+                                                                               
   'extra' => {
+                                                                               
     'spaces_before_argument' => ' '
+                                                                               
   },
+                                                                               
   'structure' => {
+                                                                               
     'associated_unit' => {},
+                                                                               
     'level' => 3
+                                                                               
   }
+                                                                               
 },
+                                                                               
 'unit_command' => {}
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'directions' => {
+                                                                               
   'Back' => {
+                                                                               
     'extra' => {
+                                                                               
       'node' => {
+                                                                               
         'cmdname' => 'node',
+                                                                               
         'extra' => {
+                                                                               
           'normalized' => 'numbered-sub',
+                                                                               
           'spaces_before_argument' => ' '
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'associated_unit' => {},
+                                                                               
           'menu_next' => {},
+                                                                               
           'menu_prev' => {
+                                                                               
             'cmdname' => 'node',
+                                                                               
             'extra' => {
+                                                                               
               'normalized' => 'unnumbered-sub',
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {
+                                                                               
                 'extra' => {
+                                                                               
                   'node' => {},
+                                                                               
                   'section' => {
+                                                                               
                     'cmdname' => 'unnumberedsubsec',
+                                                                               
                     'extra' => {
+                                                                               
                       'spaces_before_argument' => ' '
+                                                                               
                     },
+                                                                               
                     'structure' => {
+                                                                               
                       'associated_unit' => {},
+                                                                               
                       'level' => 3
+                                                                               
                     }
+                                                                               
                   },
+                                                                               
                   'unit_command' => {}
+                                                                               
                 },
+                                                                               
                 'structure' => {
+                                                                               
                   'directions' => {
+                                                                               
                     'Back' => {},
+                                                                               
                     'FastBack' => {},
+                                                                               
                     'FastForward' => {},
+                                                                               
                     'Forward' => {},
+                                                                               
                     'Next' => {},
+                                                                               
                     'NodeBack' => {},
+                                                                               
                     'NodeForward' => {},
+                                                                               
                     'NodeNext' => {},
+                                                                               
                     'NodeUp' => {},
+                                                                               
                     'This' => {},
+                                                                               
                     'Up' => {}
+                                                                               
                   },
+                                                                               
                   'unit_next' => {},
+                                                                               
                   'unit_prev' => {}
+                                                                               
                 },
+                                                                               
                 'type' => 'unit'
+                                                                               
               },
+                                                                               
               'menu_next' => {},
+                                                                               
               'menu_up' => {},
+                                                                               
               'menu_up_hash' => {
+                                                                               
                 'unnumbered' => 1
+                                                                               
               }
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'menu_up' => {},
+                                                                               
           'menu_up_hash' => {
+                                                                               
             'unnumbered' => 1
+                                                                               
           }
+                                                                               
         }
+                                                                               
       },
+                                                                               
       'section' => {
+                                                                               
         'cmdname' => 'subsection',
+                                                                               
         'extra' => {
+                                                                               
           'spaces_before_argument' => ' '
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'associated_unit' => {},
+                                                                               
           'level' => 3
+                                                                               
         }
+                                                                               
       },
+                                                                               
       'unit_command' => {}
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'directions' => {
+                                                                               
         'Back' => {},
+                                                                               
         'FastBack' => {},
+                                                                               
         'FastForward' => {},
+                                                                               
         'Forward' => {},
+                                                                               
         'Next' => {},
+                                                                               
         'NodeBack' => {},
+                                                                               
         'NodeForward' => {},
+                                                                               
         'NodeNext' => {},
+                                                                               
         'NodePrev' => {},
+                                                                               
         'NodeUp' => {},
+                                                                               
         'Prev' => {},
+                                                                               
         'This' => {},
+                                                                               
         'Up' => {}
+                                                                               
       },
+                                                                               
       'unit_next' => {},
+                                                                               
       'unit_prev' => {}
+                                                                               
     },
+                                                                               
     'type' => 'unit'
+                                                                               
   },
+                                                                               
   'FastBack' => {},
+                                                                               
   'FastForward' => {},
+                                                                               
   'Forward' => {},
+                                                                               
   'Next' => {},
+                                                                               
   'NodeBack' => {},
+                                                                               
   'NodeForward' => {},
+                                                                               
   'NodeNext' => {},
+                                                                               
   'NodePrev' => {},
+                                                                               
   'NodeUp' => {},
+                                                                               
   'Prev' => {},
+                                                                               
   'This' => {},
+                                                                               
   'Up' => {}
+                                                                               
 },
+                                                                               
 'unit_next' => {},
+                                                                               
 'unit_prev' => {}
+                                                                              
},
+                                                                              
'type' => 'unit'
+                                                                            },
+                                                                            
'menu_next' => {},
+                                                                            
'menu_prev' => {},
+                                                                            
'menu_up' => {},
+                                                                            
'menu_up_hash' => {
+                                                                              
'unnumbered' => 1
+                                                                            }
+                                                                          }
+                                                                        },
+                                                                        
'menu_up' => {},
+                                                                        
'menu_up_hash' => {
+                                                                          
'unnumbered' => 1
+                                                                        }
+                                                                      }
+                                                                    },
+                                                                    'section' 
=> {
+                                                                      
'cmdname' => 'subsection',
+                                                                      'extra' 
=> {
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'level' => 3
+                                                                      }
+                                                                    },
+                                                                    
'unit_command' => {}
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'directions' => {
+                                                                      'Back' 
=> {},
+                                                                      
'FastBack' => {},
+                                                                      
'FastForward' => {},
+                                                                      
'Forward' => {},
+                                                                      
'NodeBack' => {},
+                                                                      
'NodeForward' => {},
+                                                                      
'NodePrev' => {},
+                                                                      'NodeUp' 
=> {},
+                                                                      'Prev' 
=> {},
+                                                                      'This' 
=> {},
+                                                                      'Up' => 
{}
+                                                                    },
+                                                                    
'unit_next' => {},
+                                                                    
'unit_prev' => {}
+                                                                  },
+                                                                  'type' => 
'unit'
+                                                                },
+                                                                'FastBack' => 
{},
+                                                                'FastForward' 
=> {},
+                                                                'Forward' => {
+                                                                  'extra' => {
+                                                                    'node' => {
+                                                                      
'cmdname' => 'node',
+                                                                      'extra' 
=> {
+                                                                        
'normalized' => 'numbered-sub3',
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'menu_up' => {},
+                                                                        
'menu_up_hash' => {
+                                                                          
'unnumbered2' => 1
+                                                                        }
+                                                                      }
+                                                                    },
+                                                                    'section' 
=> {
+                                                                      
'cmdname' => 'subsection',
+                                                                      'extra' 
=> {
+                                                                        
'spaces_before_argument' => ' '
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'associated_unit' => {},
+                                                                        
'level' => 3
+                                                                      }
+                                                                    },
+                                                                    
'unit_command' => {}
+                                                                  },
+                                                                  'structure' 
=> {
+                                                                    
'directions' => {
+                                                                      'Back' 
=> {},
+                                                                      
'FastBack' => {},
+                                                                      
'FastForward' => {},
+                                                                      
'Forward' => {},
+                                                                      
'NodeBack' => {},
+                                                                      
'NodeForward' => {},
+                                                                      'NodeUp' 
=> {},
+                                                                      'This' 
=> {},
+                                                                      'Up' => 
{}
+                                                                    },
+                                                                    
'unit_next' => {},
+                                                                    
'unit_prev' => {}
+                                                                  },
+                                                                  'type' => 
'unit'
+                                                                },
+                                                                'Next' => {},
+                                                                'NodeBack' => 
{},
+                                                                'NodeForward' 
=> {},
+                                                                'NodeNext' => 
{},
+                                                                'NodePrev' => 
{},
+                                                                'NodeUp' => {},
+                                                                'Prev' => {},
+                                                                'This' => {},
+                                                                'Up' => {}
+                                                              },
+                                                              'unit_next' => 
{},
+                                                              'unit_prev' => {}
+                                                            },
+                                                            'type' => 'unit'
+                                                          },
+                                                          'menu_child' => {},
+                                                          'menu_next' => {},
+                                                          'menu_prev' => {},
+                                                          'menu_up' => {},
+                                                          'menu_up_hash' => {
+                                                            'First-node' => 1
+                                                          }
+                                                        }
+                                                      },
+                                                      'menu_up' => {},
+                                                      'menu_up_hash' => {
+                                                        'First-node' => 1
+                                                      }
+                                                    }
+                                                  },
+                                                  'section' => {
+                                                    'cmdname' => 'section',
+                                                    'extra' => {
+                                                      'spaces_before_argument' 
=> '  '
+                                                    },
+                                                    'structure' => {
+                                                      'associated_unit' => {},
+                                                      'level' => 2,
+                                                      'number' => '1.1'
+                                                    }
+                                                  },
+                                                  'unit_command' => {}
+                                                },
+                                                'structure' => {
+                                                  'directions' => {
+                                                    'Back' => {},
+                                                    'FastBack' => {},
+                                                    'FastForward' => {},
+                                                    'Forward' => {},
+                                                    'NodeBack' => {},
+                                                    'NodePrev' => {},
+                                                    'NodeUp' => {},
+                                                    'Prev' => {},
+                                                    'This' => {},
+                                                    'Up' => {}
+                                                  },
+                                                  'unit_next' => {},
+                                                  'unit_prev' => {}
+                                                },
+                                                'type' => 'unit'
+                                              },
+                                              'FastForward' => {},
+                                              'Forward' => {},
+                                              'NodeUp' => {},
+                                              'This' => {}
+                                            },
+                                            'unit_next' => {},
+                                            'unit_prev' => {}
+                                          },
+                                          'type' => 'unit'
+                                        },
+                                        'menu_next' => {},
+                                        'menu_prev' => {},
+                                        'menu_up' => {},
+                                        'menu_up_hash' => {
+                                          'Top' => 1
+                                        }
+                                      }
+                                    },
+                                    'menu_up' => {},
+                                    'menu_up_hash' => {
+                                      'Top' => 1
+                                    }
+                                  }
+                                },
+                                'section' => {
+                                  'cmdname' => 'chapter',
+                                  'extra' => {
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'level' => 1,
+                                    'number' => 2
+                                  }
+                                },
+                                'unit_command' => {}
+                              },
+                              'structure' => {
+                                'directions' => {
+                                  'Back' => {},
+                                  'FastBack' => {},
+                                  'FastForward' => {},
+                                  'Forward' => {},
+                                  'Next' => {},
+                                  'NodeForward' => {},
+                                  'NodeNext' => {},
+                                  'NodeUp' => {},
+                                  'Prev' => {},
+                                  'This' => {},
+                                  'Up' => {}
+                                },
+                                'unit_next' => {},
+                                'unit_prev' => {}
+                              },
+                              'type' => 'unit'
+                            },
+                            'Forward' => {},
+                            'Next' => {},
+                            'NodeBack' => {},
+                            'NodeForward' => {},
+                            'NodeNext' => {},
+                            'NodeUp' => {},
+                            'This' => {},
+                            'Up' => {}
+                          },
+                          'unit_next' => {},
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_child' => {},
+                      'menu_next' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'First-node' => 1
                       }
-                    },
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'unnumbered' => 1
-                    }
-                  }
-                },
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'unnumbered' => 1
-                }
-              }
-            },
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'unnumbered2',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_child' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered-sub3',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'unnumbered2' => 1
                     }
-                  }
-                },
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'numbered',
-                    'spaces_before_argument' => ' '
                   },
-                  'structure' => {
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'First-node' => 1
-                    }
+                  'menu_next' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
                   }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
                 },
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'First-node' => 1
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'First-node' => 1
-            }
-          }
-        },
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'between-node',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'Second-node',
-                'spaces_before_argument' => ' '
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'Next' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
               },
-              'structure' => {
-                'menu_next' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'Third-node-unnumbered',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'menu_next' => {
-                      'cmdname' => 'node',
-                      'extra' => {
-                        'normalized' => 'continuity',
-                        'spaces_before_argument' => ' '
-                      },
-                      'structure' => {
-                        'menu_next' => {
-                          'cmdname' => 'node',
-                          'extra' => {
-                            'normalized' => 'Last-node-no-description',
-                            'spaces_before_argument' => ' '
-                          },
-                          'structure' => {
-                            'menu_prev' => {},
-                            'menu_up' => {},
-                            'menu_up_hash' => {
-                              'Top' => 1
-                            }
-                          }
-                        },
-                        'menu_prev' => {},
-                        'menu_up' => {},
-                        'menu_up_hash' => {
-                          'Top' => 1
-                        }
-                      }
-                    },
-                    'menu_prev' => {},
-                    'menu_up' => {},
-                    'menu_up_hash' => {
-                      'Top' => 1
-                    }
-                  }
-                },
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'Top' => 1
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'NodePrev' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
                 }
-              }
+              ]
             },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+            'type' => 'external_node'
+          },
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'menu_child'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
-$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'s
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directio
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'complex_split_at_node'}{'structure' [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'complex_split_at_node'}{'st [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'complex_split_at_ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex_split [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'complex_split [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_a [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex_split_at_ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = $result_menus{'complex_split_at_node'}{'s [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'s 
[...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ext
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'me
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'s
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'F
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'asso [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'complex [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'complex_split_at_node'}{'structure [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_up'}
  [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associa
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_menus{ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $res [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 =  [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 =  [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 =  [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $r [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $res [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $res [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $resul [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = $result_menus [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = $result_menus [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex_split_at_nod [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = $result_menus{'complex_split_at_ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associa
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'asso
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = $result_men [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastForwar
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
  [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForwar
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = $ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Up'}
 = $re [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = $result_me [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_me [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = $result_menus{'complex_split_at_node'}{ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'complex_split_at_nod [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'complex_split_at_ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_menus{'complex_split_at_nod [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'complex_split_at_nod [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node' [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = $result_menus{'complex_split_at_node'}{ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex_split_at_node'}{ [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex_split_at_node'}{'s [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = $result_menus{'complex_split_at_node'}{'structur [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = $result_menus{'complex_split_at_node'}{'structur [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_child'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structu 
[...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structur
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForwa
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'n
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'me
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ex
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fas
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'e
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'e
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'m
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'
 [...]
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'complex_split_at_node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'};
+$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'complex_split_at_node'}{'structure'}{'menu_child'} = 
$result_menus{'complex_split_at_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'complex_split_at_node'} = [];
 
@@ -4185,6 +6186,7 @@ $result_elements{'complex_split_at_node'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -4192,224 +6194,7 @@ $result_elements{'complex_split_at_node'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_child' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'unnumbered',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_child' => {
-                    'cmdname' => 'node',
-                    'extra' => {
-                      'normalized' => 'unnumbered-sub',
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'menu_next' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered-sub',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'menu_next' => {
-                            'cmdname' => 'node',
-                            'extra' => {
-                              'normalized' => 'unnumbered-sub2',
-                              'spaces_before_argument' => ' '
-                            },
-                            'structure' => {
-                              'menu_next' => {
-                                'cmdname' => 'node',
-                                'extra' => {
-                                  'normalized' => 'numbered-sub2',
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'menu_prev' => {},
-                                  'menu_up' => {},
-                                  'menu_up_hash' => {
-                                    'unnumbered' => 1
-                                  }
-                                }
-                              },
-                              'menu_prev' => {},
-                              'menu_up' => {},
-                              'menu_up_hash' => {
-                                'unnumbered' => 1
-                              }
-                            }
-                          },
-                          'menu_prev' => {},
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'unnumbered' => 1
-                          }
-                        }
-                      },
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'unnumbered' => 1
-                      }
-                    }
-                  },
-                  'menu_next' => {
-                    'cmdname' => 'node',
-                    'extra' => {
-                      'normalized' => 'unnumbered2',
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'menu_child' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered-sub3',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'unnumbered2' => 1
-                          }
-                        }
-                      },
-                      'menu_next' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'numbered',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'menu_prev' => {},
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'First-node' => 1
-                          }
-                        }
-                      },
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'First-node' => 1
-                      }
-                    }
-                  },
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'First-node' => 1
-                  }
-                }
-              },
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'between-node',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_next' => {
-                    'cmdname' => 'node',
-                    'extra' => {
-                      'normalized' => 'Second-node',
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'menu_next' => {
-                        'cmdname' => 'node',
-                        'extra' => {
-                          'normalized' => 'Third-node-unnumbered',
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'menu_next' => {
-                            'cmdname' => 'node',
-                            'extra' => {
-                              'normalized' => 'continuity',
-                              'spaces_before_argument' => ' '
-                            },
-                            'structure' => {
-                              'menu_next' => {
-                                'cmdname' => 'node',
-                                'extra' => {
-                                  'normalized' => 'Last-node-no-description',
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'menu_prev' => {},
-                                  'menu_up' => {},
-                                  'menu_up_hash' => {
-                                    'Top' => 1
-                                  }
-                                }
-                              },
-                              'menu_prev' => {},
-                              'menu_up' => {},
-                              'menu_up_hash' => {
-                                'Top' => 1
-                              }
-                            }
-                          },
-                          'menu_prev' => {},
-                          'menu_up' => {},
-                          'menu_up_hash' => {
-                            'Top' => 1
-                          }
-                        }
-                      },
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'Top' => 1
-                      }
-                    }
-                  },
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
@@ -4418,96 +6203,193 @@ $result_elements{'complex_split_at_node'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 2
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
                 },
                 'structure' => {
                   'directions' => {
-                    'Back' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
                       'extra' => {
-                        'node' => {},
-                        'unit_command' => {}
-                      },
-                      'structure' => {
-                        'directions' => {
-                          'Back' => {
-                            'extra' => {
-                              'node' => {},
-                              'section' => {
-                                'cmdname' => 'section',
-                                'extra' => {
-                                  'spaces_before_argument' => '  '
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'Second-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_next' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 'Third-node-unnumbered',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {
+                                  'extra' => {
+                                    'node' => {},
+                                    'section' => {
+                                      'cmdname' => 'unnumbered',
+                                      'extra' => {
+                                        'spaces_before_argument' => ' '
+                                      },
+                                      'structure' => {
+                                        'associated_unit' => {},
+                                        'level' => 1
+                                      }
+                                    },
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
+                                      'FastBack' => {},
+                                      'FastForward' => {
+                                        'extra' => {
+                                          'node' => {
+                                            'cmdname' => 'node',
+                                            'extra' => {
+                                              'normalized' => 'continuity',
+                                              'spaces_before_argument' => ' '
+                                            },
+                                            'structure' => {
+                                              'associated_unit' => {},
+                                              'menu_next' => {
+                                                'cmdname' => 'node',
+                                                'extra' => {
+                                                  'normalized' => 
'Last-node-no-description',
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {
+                                                    'extra' => {
+                                                      'node' => {},
+                                                      'unit_command' => {}
+                                                    },
+                                                    'structure' => {
+                                                      'directions' => {
+                                                        'Back' => {},
+                                                        'FastBack' => {},
+                                                        'NodePrev' => {},
+                                                        'NodeUp' => {},
+                                                        'This' => {}
+                                                      }
+                                                    },
+                                                    'type' => 'unit'
+                                                  },
+                                                  'menu_prev' => {},
+                                                  'menu_up' => {},
+                                                  'menu_up_hash' => {
+                                                    'Top' => 1
+                                                  }
+                                                }
+                                              },
+                                              'menu_prev' => {},
+                                              'menu_up' => {},
+                                              'menu_up_hash' => {
+                                                'Top' => 1
+                                              }
+                                            }
+                                          },
+                                          'section' => {
+                                            'cmdname' => 'unnumbered',
+                                            'extra' => {
+                                              'spaces_before_argument' => ' '
+                                            },
+                                            'structure' => {
+                                              'associated_unit' => {},
+                                              'level' => 1
+                                            }
+                                          },
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
+                                            'FastBack' => {},
+                                            'Forward' => {},
+                                            'NodeBack' => {},
+                                            'NodeForward' => {},
+                                            'NodeNext' => {},
+                                            'NodePrev' => {},
+                                            'NodeUp' => {},
+                                            'Prev' => {},
+                                            'This' => {},
+                                            'Up' => {}
+                                          }
+                                        },
+                                        'type' => 'unit'
+                                      },
+                                      'Forward' => {},
+                                      'Next' => {},
+                                      'NodeBack' => {},
+                                      'NodeForward' => {},
+                                      'NodeNext' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'Prev' => {},
+                                      'This' => {},
+                                      'Up' => {}
+                                    }
+                                  },
+                                  'type' => 'unit'
                                 },
-                                'structure' => {
-                                  'level' => 2,
-                                  'number' => '1.1'
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
                                 }
-                              },
-                              'unit_command' => {}
+                              }
                             },
-                            'structure' => {
-                              'directions' => {
-                                'Back' => {
+                            'menu_prev' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 'between-node',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {
                                   'extra' => {
                                     'node' => {},
-                                    'section' => {
-                                      'cmdname' => 'subsection',
-                                      'extra' => {
-                                        'spaces_before_argument' => ' '
-                                      },
-                                      'structure' => {
-                                        'level' => 3
-                                      }
-                                    },
                                     'unit_command' => {}
                                   },
                                   'structure' => {
                                     'directions' => {
                                       'Back' => {
                                         'extra' => {
-                                          'node' => {},
-                                          'section' => {
-                                            'cmdname' => 'unnumberedsec',
+                                          'node' => {
+                                            'cmdname' => 'node',
                                             'extra' => {
+                                              'normalized' => 'numbered',
                                               'spaces_before_argument' => ' '
                                             },
                                             'structure' => {
-                                              'level' => 2
-                                            }
-                                          },
-                                          'unit_command' => {}
-                                        },
-                                        'structure' => {
-                                          'directions' => {
-                                            'Back' => {
-                                              'extra' => {
-                                                'node' => {},
-                                                'section' => {
-                                                  'cmdname' => 'subsection',
-                                                  'extra' => {
-                                                    'spaces_before_argument' 
=> ' '
-                                                  },
-                                                  'structure' => {
-                                                    'level' => 3
-                                                  }
+                                              'associated_unit' => {},
+                                              'menu_prev' => {
+                                                'cmdname' => 'node',
+                                                'extra' => {
+                                                  'normalized' => 
'unnumbered2',
+                                                  'spaces_before_argument' => 
' '
                                                 },
-                                                'unit_command' => {}
-                                              },
-                                              'structure' => {
-                                                'directions' => {
-                                                  'Back' => {
+                                                'structure' => {
+                                                  'associated_unit' => {
                                                     'extra' => {
                                                       'node' => {},
                                                       'section' => {
-                                                        'cmdname' => 
'unnumberedsubsec',
+                                                        'cmdname' => 
'unnumberedsec',
                                                         'extra' => {
                                                           
'spaces_before_argument' => ' '
                                                         },
                                                         'structure' => {
-                                                          'level' => 3
+                                                          'associated_unit' => 
{},
+                                                          'level' => 2
                                                         }
                                                       },
                                                       'unit_command' => {}
@@ -4516,53 +6398,178 @@ $result_elements{'complex_split_at_node'} = [
                                                       'directions' => {
                                                         'Back' => {
                                                           'extra' => {
-                                                            'node' => {},
-                                                            'section' => {
-                                                              'cmdname' => 
'subsection',
+                                                            'node' => {
+                                                              'cmdname' => 
'node',
                                                               'extra' => {
+                                                                'normalized' 
=> 'numbered-sub2',
                                                                 
'spaces_before_argument' => ' '
                                                               },
                                                               'structure' => {
-                                                                'level' => 3
-                                                              }
-                                                            },
-                                                            'unit_command' => 
{}
-                                                          },
-                                                          'structure' => {
-                                                            'directions' => {
-                                                              'Back' => {
-                                                                'extra' => {
-                                                                  'node' => {},
-                                                                  'section' => 
{
-                                                                    'cmdname' 
=> 'unnumberedsubsec',
-                                                                    'extra' => 
{
-                                                                      
'spaces_before_argument' => ' '
-                                                                    },
-                                                                    
'structure' => {
-                                                                      'level' 
=> 3
-                                                                    }
+                                                                
'associated_unit' => {},
+                                                                'menu_prev' => 
{
+                                                                  'cmdname' => 
'node',
+                                                                  'extra' => {
+                                                                    
'normalized' => 'unnumbered-sub2',
+                                                                    
'spaces_before_argument' => ' '
                                                                   },
-                                                                  
'unit_command' => {}
-                                                                },
-                                                                'structure' => 
{
-                                                                  'directions' 
=> {
-                                                                    'Back' => {
+                                                                  'structure' 
=> {
+                                                                    
'associated_unit' => {
                                                                       'extra' 
=> {
                                                                         'node' 
=> {},
                                                                         
'section' => {
-                                                                          
'cmdname' => 'unnumberedsec',
+                                                                          
'cmdname' => 'unnumberedsubsec',
                                                                           
'extra' => {
                                                                             
'spaces_before_argument' => ' '
                                                                           },
                                                                           
'structure' => {
-                                                                            
'level' => 2
+                                                                            
'associated_unit' => {},
+                                                                            
'level' => 3
                                                                           }
                                                                         },
                                                                         
'unit_command' => {}
                                                                       },
                                                                       
'structure' => {
                                                                         
'directions' => {
-                                                                          
'Back' => {},
+                                                                          
'Back' => {
+                                                                            
'extra' => {
+                                                                              
'node' => {
+                                                                               
 'cmdname' => 'node',
+                                                                               
 'extra' => {
+                                                                               
   'normalized' => 'numbered-sub',
+                                                                               
   'spaces_before_argument' => ' '
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'associated_unit' => {},
+                                                                               
   'menu_next' => {},
+                                                                               
   'menu_prev' => {
+                                                                               
     'cmdname' => 'node',
+                                                                               
     'extra' => {
+                                                                               
       'normalized' => 'unnumbered-sub',
+                                                                               
       'spaces_before_argument' => ' '
+                                                                               
     },
+                                                                               
     'structure' => {
+                                                                               
       'associated_unit' => {
+                                                                               
         'extra' => {
+                                                                               
           'node' => {},
+                                                                               
           'section' => {
+                                                                               
             'cmdname' => 'unnumberedsubsec',
+                                                                               
             'extra' => {
+                                                                               
               'spaces_before_argument' => ' '
+                                                                               
             },
+                                                                               
             'structure' => {
+                                                                               
               'associated_unit' => {},
+                                                                               
               'level' => 3
+                                                                               
             }
+                                                                               
           },
+                                                                               
           'unit_command' => {}
+                                                                               
         },
+                                                                               
         'structure' => {
+                                                                               
           'directions' => {
+                                                                               
             'Back' => {
+                                                                               
               'extra' => {
+                                                                               
                 'node' => {
+                                                                               
                   'cmdname' => 'node',
+                                                                               
                   'extra' => {
+                                                                               
                     'normalized' => 'unnumbered',
+                                                                               
                     'spaces_before_argument' => ' '
+                                                                               
                   },
+                                                                               
                   'structure' => {
+                                                                               
                     'associated_unit' => {},
+                                                                               
                     'menu_child' => {},
+                                                                               
                     'menu_next' => {},
+                                                                               
                     'menu_up' => {},
+                                                                               
                     'menu_up_hash' => {
+                                                                               
                       'First-node' => 1
+                                                                               
                     }
+                                                                               
                   }
+                                                                               
                 },
+                                                                               
                 'section' => {
+                                                                               
                   'cmdname' => 'unnumberedsec',
+                                                                               
                   'extra' => {
+                                                                               
                     'spaces_before_argument' => ' '
+                                                                               
                   },
+                                                                               
                   'structure' => {
+                                                                               
                     'associated_unit' => {},
+                                                                               
                     'level' => 2
+                                                                               
                   }
+                                                                               
                 },
+                                                                               
                 'unit_command' => {}
+                                                                               
               },
+                                                                               
               'structure' => {
+                                                                               
                 'directions' => {
+                                                                               
                   'Back' => {},
+                                                                               
                   'FastBack' => {},
+                                                                               
                   'FastForward' => {},
+                                                                               
                   'Forward' => {},
+                                                                               
                   'Next' => {},
+                                                                               
                   'NodeBack' => {},
+                                                                               
                   'NodeForward' => {},
+                                                                               
                   'NodeNext' => {},
+                                                                               
                   'NodeUp' => {},
+                                                                               
                   'This' => {},
+                                                                               
                   'Up' => {}
+                                                                               
                 }
+                                                                               
               },
+                                                                               
               'type' => 'unit'
+                                                                               
             },
+                                                                               
             'FastBack' => {},
+                                                                               
             'FastForward' => {},
+                                                                               
             'Forward' => {},
+                                                                               
             'Next' => {},
+                                                                               
             'NodeBack' => {},
+                                                                               
             'NodeForward' => {},
+                                                                               
             'NodeNext' => {},
+                                                                               
             'NodeUp' => {},
+                                                                               
             'This' => {},
+                                                                               
             'Up' => {}
+                                                                               
           }
+                                                                               
         },
+                                                                               
         'type' => 'unit'
+                                                                               
       },
+                                                                               
       'menu_next' => {},
+                                                                               
       'menu_up' => {},
+                                                                               
       'menu_up_hash' => {
+                                                                               
         'unnumbered' => 1
+                                                                               
       }
+                                                                               
     }
+                                                                               
   },
+                                                                               
   'menu_up' => {},
+                                                                               
   'menu_up_hash' => {
+                                                                               
     'unnumbered' => 1
+                                                                               
   }
+                                                                               
 }
+                                                                              
},
+                                                                              
'section' => {
+                                                                               
 'cmdname' => 'subsection',
+                                                                               
 'extra' => {
+                                                                               
   'spaces_before_argument' => ' '
+                                                                               
 },
+                                                                               
 'structure' => {
+                                                                               
   'associated_unit' => {},
+                                                                               
   'level' => 3
+                                                                               
 }
+                                                                              
},
+                                                                              
'unit_command' => {}
+                                                                            },
+                                                                            
'structure' => {
+                                                                              
'directions' => {
+                                                                               
 'Back' => {},
+                                                                               
 'FastBack' => {},
+                                                                               
 'FastForward' => {},
+                                                                               
 'Forward' => {},
+                                                                               
 'Next' => {},
+                                                                               
 'NodeBack' => {},
+                                                                               
 'NodeForward' => {},
+                                                                               
 'NodeNext' => {},
+                                                                               
 'NodePrev' => {},
+                                                                               
 'NodeUp' => {},
+                                                                               
 'Prev' => {},
+                                                                               
 'This' => {},
+                                                                               
 'Up' => {}
+                                                                              }
+                                                                            },
+                                                                            
'type' => 'unit'
+                                                                          },
                                                                           
'FastBack' => {},
                                                                           
'FastForward' => {},
                                                                           
'Forward' => {},
@@ -4570,34 +6577,49 @@ $result_elements{'complex_split_at_node'} = [
                                                                           
'NodeBack' => {},
                                                                           
'NodeForward' => {},
                                                                           
'NodeNext' => {},
+                                                                          
'NodePrev' => {},
                                                                           
'NodeUp' => {},
+                                                                          
'Prev' => {},
                                                                           
'This' => {},
                                                                           'Up' 
=> {}
                                                                         }
                                                                       },
                                                                       'type' 
=> 'unit'
                                                                     },
-                                                                    'FastBack' 
=> {},
-                                                                    
'FastForward' => {},
-                                                                    'Forward' 
=> {},
-                                                                    'Next' => 
{},
-                                                                    'NodeBack' 
=> {},
-                                                                    
'NodeForward' => {},
-                                                                    'NodeNext' 
=> {},
-                                                                    'NodeUp' 
=> {},
-                                                                    'This' => 
{},
-                                                                    'Up' => {}
+                                                                    
'menu_next' => {},
+                                                                    
'menu_prev' => {},
+                                                                    'menu_up' 
=> {},
+                                                                    
'menu_up_hash' => {
+                                                                      
'unnumbered' => 1
+                                                                    }
                                                                   }
                                                                 },
-                                                                'type' => 
'unit'
+                                                                'menu_up' => 
{},
+                                                                'menu_up_hash' 
=> {
+                                                                  'unnumbered' 
=> 1
+                                                                }
+                                                              }
+                                                            },
+                                                            'section' => {
+                                                              'cmdname' => 
'subsection',
+                                                              'extra' => {
+                                                                
'spaces_before_argument' => ' '
                                                               },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 3
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
                                                               'FastBack' => {},
                                                               'FastForward' => 
{},
                                                               'Forward' => {},
-                                                              'Next' => {},
                                                               'NodeBack' => {},
                                                               'NodeForward' => 
{},
-                                                              'NodeNext' => {},
                                                               'NodePrev' => {},
                                                               'NodeUp' => {},
                                                               'Prev' => {},
@@ -4609,7 +6631,49 @@ $result_elements{'complex_split_at_node'} = [
                                                         },
                                                         'FastBack' => {},
                                                         'FastForward' => {},
-                                                        'Forward' => {},
+                                                        'Forward' => {
+                                                          'extra' => {
+                                                            'node' => {
+                                                              'cmdname' => 
'node',
+                                                              'extra' => {
+                                                                'normalized' 
=> 'numbered-sub3',
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'menu_up' => 
{},
+                                                                'menu_up_hash' 
=> {
+                                                                  
'unnumbered2' => 1
+                                                                }
+                                                              }
+                                                            },
+                                                            'section' => {
+                                                              'cmdname' => 
'subsection',
+                                                              'extra' => {
+                                                                
'spaces_before_argument' => ' '
+                                                              },
+                                                              'structure' => {
+                                                                
'associated_unit' => {},
+                                                                'level' => 3
+                                                              }
+                                                            },
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
+                                                              'FastBack' => {},
+                                                              'FastForward' => 
{},
+                                                              'Forward' => {},
+                                                              'NodeBack' => {},
+                                                              'NodeForward' => 
{},
+                                                              'NodeUp' => {},
+                                                              'This' => {},
+                                                              'Up' => {}
+                                                            }
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
                                                         'Next' => {},
                                                         'NodeBack' => {},
                                                         'NodeForward' => {},
@@ -4623,27 +6687,41 @@ $result_elements{'complex_split_at_node'} = [
                                                     },
                                                     'type' => 'unit'
                                                   },
-                                                  'FastBack' => {},
-                                                  'FastForward' => {},
-                                                  'Forward' => {},
-                                                  'NodeBack' => {},
-                                                  'NodeForward' => {},
-                                                  'NodePrev' => {},
-                                                  'NodeUp' => {},
-                                                  'Prev' => {},
-                                                  'This' => {},
-                                                  'Up' => {}
+                                                  'menu_child' => {},
+                                                  'menu_next' => {},
+                                                  'menu_prev' => {},
+                                                  'menu_up' => {},
+                                                  'menu_up_hash' => {
+                                                    'First-node' => 1
+                                                  }
                                                 }
                                               },
-                                              'type' => 'unit'
+                                              'menu_up' => {},
+                                              'menu_up_hash' => {
+                                                'First-node' => 1
+                                              }
+                                            }
+                                          },
+                                          'section' => {
+                                            'cmdname' => 'section',
+                                            'extra' => {
+                                              'spaces_before_argument' => '  '
                                             },
+                                            'structure' => {
+                                              'associated_unit' => {},
+                                              'level' => 2,
+                                              'number' => '1.1'
+                                            }
+                                          },
+                                          'unit_command' => {}
+                                        },
+                                        'structure' => {
+                                          'directions' => {
+                                            'Back' => {},
                                             'FastBack' => {},
                                             'FastForward' => {},
                                             'Forward' => {},
-                                            'Next' => {},
                                             'NodeBack' => {},
-                                            'NodeForward' => {},
-                                            'NodeNext' => {},
                                             'NodePrev' => {},
                                             'NodeUp' => {},
                                             'Prev' => {},
@@ -4653,50 +6731,37 @@ $result_elements{'complex_split_at_node'} = [
                                         },
                                         'type' => 'unit'
                                       },
-                                      'FastBack' => {},
                                       'FastForward' => {},
                                       'Forward' => {},
-                                      'NodeBack' => {},
-                                      'NodeForward' => {},
                                       'NodeUp' => {},
-                                      'This' => {},
-                                      'Up' => {}
+                                      'This' => {}
                                     }
                                   },
                                   'type' => 'unit'
                                 },
-                                'FastBack' => {},
-                                'FastForward' => {},
-                                'Forward' => {},
-                                'NodeBack' => {},
-                                'NodePrev' => {},
-                                'NodeUp' => {},
-                                'Prev' => {},
-                                'This' => {},
-                                'Up' => {}
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
+                                }
                               }
                             },
-                            'type' => 'unit'
-                          },
-                          'FastForward' => {},
-                          'Forward' => {},
-                          'NodeUp' => {},
-                          'This' => {}
-                        }
-                      },
-                      'type' => 'unit'
-                    },
-                    'FastBack' => {},
-                    'FastForward' => {
-                      'extra' => {
-                        'node' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
                         'section' => {
-                          'cmdname' => 'unnumbered',
+                          'cmdname' => 'chapter',
                           'extra' => {
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
-                            'level' => 1
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 2
                           }
                         },
                         'unit_command' => {}
@@ -4705,58 +6770,11 @@ $result_elements{'complex_split_at_node'} = [
                         'directions' => {
                           'Back' => {},
                           'FastBack' => {},
-                          'FastForward' => {
-                            'extra' => {
-                              'node' => {},
-                              'section' => {
-                                'cmdname' => 'unnumbered',
-                                'extra' => {
-                                  'spaces_before_argument' => ' '
-                                },
-                                'structure' => {
-                                  'level' => 1
-                                }
-                              },
-                              'unit_command' => {}
-                            },
-                            'structure' => {
-                              'directions' => {
-                                'Back' => {},
-                                'FastBack' => {},
-                                'Forward' => {
-                                  'extra' => {
-                                    'node' => {},
-                                    'unit_command' => {}
-                                  },
-                                  'structure' => {
-                                    'directions' => {
-                                      'Back' => {},
-                                      'FastBack' => {},
-                                      'NodePrev' => {},
-                                      'NodeUp' => {},
-                                      'This' => {}
-                                    }
-                                  },
-                                  'type' => 'unit'
-                                },
-                                'NodeBack' => {},
-                                'NodeForward' => {},
-                                'NodeNext' => {},
-                                'NodePrev' => {},
-                                'NodeUp' => {},
-                                'Prev' => {},
-                                'This' => {},
-                                'Up' => {}
-                              }
-                            },
-                            'type' => 'unit'
-                          },
+                          'FastForward' => {},
                           'Forward' => {},
                           'Next' => {},
-                          'NodeBack' => {},
                           'NodeForward' => {},
                           'NodeNext' => {},
-                          'NodePrev' => {},
                           'NodeUp' => {},
                           'Prev' => {},
                           'This' => {},
@@ -4767,28 +6785,39 @@ $result_elements{'complex_split_at_node'} = [
                     },
                     'Forward' => {},
                     'Next' => {},
+                    'NodeBack' => {},
                     'NodeForward' => {},
-                    'NodeNext' => {},
+                    'NodePrev' => {},
                     'NodeUp' => {},
-                    'Prev' => {},
                     'This' => {},
                     'Up' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'Next' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
+              'menu_child' => {},
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
-        },
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {},
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
@@ -4822,211 +6851,239 @@ $result_elements{'complex_split_at_node'} = [
   {},
   {}
 ];
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_n
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associa
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'struct
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'struct
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'direct
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'ext
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForwa
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'stru
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'no
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'no
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'no
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structu
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'str
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'struct
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'direct
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'str
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_uni
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'nod [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_element [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'
 [...]
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 = $result [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 = [...]
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 = $result_elements{'complex_split_at_nod [...]
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 = $result_elements{'complex_split_at_nod [...]
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 = $result_elements{'complex_split_at_node' [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'str [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{' [...]
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 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_c
 [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure 
[...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struc [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'st [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struct [...]
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 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struc [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'st [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struc [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structu [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure 
[...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure 
[...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'} 
[...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{' [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{' [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'complex_split_at_node'}[0]{'extra' [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'men 
[...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struct [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'st [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{ [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'str [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'st [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{ [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'stru [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'struct [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structur [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'asso
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'as
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'asso
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'asso
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associ
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_child'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'e
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'a
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
+$result_elements{'complex_split_at_node'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'complex_split_at_node'}[0];
 $result_elements{'complex_split_at_node'}[0]{'extra'}{'unit_command'} = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_child'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure'}{'menu
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_child'}{'structure
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'s
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'s [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_elements{'complex_split_at_node'}[0]{'extra'}{'n [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}
 = $result_elements{'complex_spl [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = $result_elements{'com [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_ele [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $res [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_ [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = $result_ele [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = $result [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $res [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = $result [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_e [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_ele [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_eleme [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'complex_split_at_node'}[ [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'complex_split_at_node [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_elements{'complex_split_at_node'}[0 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = $result_elements{'complex_split_at_node'}[0]{' [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex_split_at_node'}[ [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex_split_at_node [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = $result_elements{'complex_split_at_node'}[ [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0] [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = $result_elements{'complex_split_at_node'}[0]{' [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0]{'st [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Fast 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'F 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastF 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForw
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Fast 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'F 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Fast 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Fast 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastFo 
[...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForw
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForw
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForwar
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Fas
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direc
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'d
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direct
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'direc
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'d
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'direct
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'dire
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastF
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastF
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directio
 [...]
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'complex_split_at_node'}[0];
-$result_elements{'complex_split_at_node'}[1] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[2] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[3] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[4] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[5] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[6] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[7] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[8] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[9] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[10] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'complex_split_at_node'}[11] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[12] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[13] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'complex_split_at_node'}[14] = 
$result_elements{'complex_split_at_node'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'complex_split_at_node'}[1] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[2] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'assoc
 [...]
+$result_elements{'complex_split_at_node'}[3] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'assoc
 [...]
+$result_elements{'complex_split_at_node'}[4] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'assoc
 [...]
+$result_elements{'complex_split_at_node'}[5] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'assoc
 [...]
+$result_elements{'complex_split_at_node'}[6] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'complex_split_at_node'}[7] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[8] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'complex_split_at_node'}[9] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'complex_split_at_node'}[10] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[11] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[12] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'complex_split_at_node'}[13] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'complex_split_at_node'}[14] = 
$result_elements{'complex_split_at_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/contents.pl 
b/tp/t/results/sectioning/contents.pl
index 2f56125a6d..6b0b0125ae 100644
--- a/tp/t/results/sectioning/contents.pl
+++ b/tp/t/results/sectioning/contents.pl
@@ -46,10 +46,7 @@ $result_trees{'contents'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'contents'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'contents'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'contents'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ $result_trees{'contents'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ $result_trees{'contents'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ $result_trees{'contents'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ $result_trees{'contents'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ $result_trees{'contents'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ $result_trees{'contents'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +424,7 @@ $result_trees{'contents'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/contents_and_shortcontents.pl 
b/tp/t/results/sectioning/contents_and_shortcontents.pl
index 91303cfd86..d5c8131407 100644
--- a/tp/t/results/sectioning/contents_and_shortcontents.pl
+++ b/tp/t/results/sectioning/contents_and_shortcontents.pl
@@ -46,10 +46,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -484,11 +447,7 @@ $result_trees{'contents_and_shortcontents'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/contents_at_document_begin.pl 
b/tp/t/results/sectioning/contents_at_document_begin.pl
index a9d9c82017..e1faf36ebe 100644
--- a/tp/t/results/sectioning/contents_at_document_begin.pl
+++ b/tp/t/results/sectioning/contents_at_document_begin.pl
@@ -134,8 +134,7 @@ $result_trees{'contents_at_document_begin'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -171,10 +170,7 @@ $result_trees{'contents_at_document_begin'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -210,11 +206,7 @@ $result_trees{'contents_at_document_begin'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/contents_at_end_document.pl 
b/tp/t/results/sectioning/contents_at_end_document.pl
index fb6312b3a2..0f526e5080 100644
--- a/tp/t/results/sectioning/contents_at_end_document.pl
+++ b/tp/t/results/sectioning/contents_at_end_document.pl
@@ -111,8 +111,7 @@ $result_trees{'contents_at_end_document'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -148,10 +147,7 @@ $result_trees{'contents_at_end_document'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -210,11 +206,7 @@ $result_trees{'contents_at_end_document'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/contents_at_end_document_after_node.pl 
b/tp/t/results/sectioning/contents_at_end_document_after_node.pl
index 4f776f0c24..f02e0cf727 100644
--- a/tp/t/results/sectioning/contents_at_end_document_after_node.pl
+++ b/tp/t/results/sectioning/contents_at_end_document_after_node.pl
@@ -111,8 +111,7 @@ $result_trees{'contents_at_end_document_after_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,10 +263,7 @@ $result_trees{'contents_at_end_document_after_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -303,11 +299,7 @@ $result_trees{'contents_at_end_document_after_node'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -406,8 +398,7 @@ $result_trees{'contents_at_end_document_after_node'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/contents_in_document.pl 
b/tp/t/results/sectioning/contents_in_document.pl
index e76ba58619..9696d4833e 100644
--- a/tp/t/results/sectioning/contents_in_document.pl
+++ b/tp/t/results/sectioning/contents_in_document.pl
@@ -111,8 +111,7 @@ $result_trees{'contents_in_document'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -171,10 +170,7 @@ $result_trees{'contents_in_document'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -210,11 +206,7 @@ $result_trees{'contents_in_document'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/contents_in_html_text.pl 
b/tp/t/results/sectioning/contents_in_html_text.pl
index 3dcf0c71be..5311c61f15 100644
--- a/tp/t/results/sectioning/contents_in_html_text.pl
+++ b/tp/t/results/sectioning/contents_in_html_text.pl
@@ -46,10 +46,7 @@ $result_trees{'contents_in_html_text'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'contents_in_html_text'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'contents_in_html_text'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -199,11 +188,7 @@ $result_trees{'contents_in_html_text'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/contents_no_section.pl 
b/tp/t/results/sectioning/contents_no_section.pl
index 782c64f32d..fb64316ad8 100644
--- a/tp/t/results/sectioning/contents_no_section.pl
+++ b/tp/t/results/sectioning/contents_no_section.pl
@@ -141,8 +141,7 @@ $result_trees{'contents_no_section'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/contents_with_only_top_node.pl 
b/tp/t/results/sectioning/contents_with_only_top_node.pl
index de6dd95348..9658019e30 100644
--- a/tp/t/results/sectioning/contents_with_only_top_node.pl
+++ b/tp/t/results/sectioning/contents_with_only_top_node.pl
@@ -82,8 +82,7 @@ $result_trees{'contents_with_only_top_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -115,8 +114,7 @@ $result_nodes{'contents_with_only_top_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'contents_with_only_top_node'} = {
@@ -124,8 +122,7 @@ $result_menus{'contents_with_only_top_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'contents_with_only_top_node'} = [];
diff --git a/tp/t/results/sectioning/double_node_anchor_float.pl 
b/tp/t/results/sectioning/double_node_anchor_float.pl
index 0bf0e9b1cd..da58b22915 100644
--- a/tp/t/results/sectioning/double_node_anchor_float.pl
+++ b/tp/t/results/sectioning/double_node_anchor_float.pl
@@ -58,8 +58,7 @@ $result_trees{'double_node_anchor_float'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -178,8 +177,7 @@ $result_trees{'double_node_anchor_float'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -282,8 +280,7 @@ $result_trees{'double_node_anchor_float'} = {
             'line_nr' => 11,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -367,8 +364,7 @@ $result_trees{'double_node_anchor_float'} = {
             'line_nr' => 14,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -456,10 +452,7 @@ $result_trees{'double_node_anchor_float'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -484,8 +477,7 @@ $result_trees{'double_node_anchor_float'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -522,8 +514,7 @@ $result_trees{'double_node_anchor_float'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -636,8 +627,7 @@ $result_nodes{'double_node_anchor_float'} = {
   'extra' => {
     'normalized' => 'node1',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'double_node_anchor_float'} = {
@@ -645,8 +635,7 @@ $result_menus{'double_node_anchor_float'} = {
   'extra' => {
     'normalized' => 'node1',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'double_node_anchor_float'} = [
diff --git a/tp/t/results/sectioning/double_part.pl 
b/tp/t/results/sectioning/double_part.pl
index 06be9e30d8..6a46b71911 100644
--- a/tp/t/results/sectioning/double_part.pl
+++ b/tp/t/results/sectioning/double_part.pl
@@ -10,206 +10,381 @@ $result_trees{'double_part'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'node chapter'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'node-chapter'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'node chapter'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text part first.
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part second'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text part second.
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'node chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'node-chapter'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'node-chapter',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 14,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter after 2 parts'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 15,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'first_in_page' => {},
@@ -217,207 +392,24 @@ $result_trees{'double_part'} = [
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part first'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text part first.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+      {}
     ],
     'extra' => {
       'first_in_page' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part second'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text part second.
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'node chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'node-chapter'
-            }
-          ],
-          'normalized' => 'node-chapter',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 14,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter after 2 parts'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 15,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'first_in_page' => {},
@@ -425,75 +417,76 @@ $result_trees{'double_part'} = [
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'double_part'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[0];
-$result_trees{'double_part'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'double_part'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[0]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'double_part'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'double_part'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'double_part'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'double_part'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'double_part'}[0];
-$result_trees{'double_part'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'double_part'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = $result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'double_part'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'double_part'}[0]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'associated_part'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'double_part'}[0]{'contents'}[0]{'parent'};
+$result_trees{'double_part'}[0]{'contents'}[1] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'double_part'}[0]{'contents'}[2] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 $result_trees{'double_part'}[0]{'extra'}{'first_in_page'} = 
$result_trees{'double_part'}[0];
-$result_trees{'double_part'}[0]{'extra'}{'node'} = 
$result_trees{'double_part'}[0]{'contents'}[1];
-$result_trees{'double_part'}[0]{'extra'}{'section'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[0]{'contents'}[2];
-$result_trees{'double_part'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'double_part'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[1]{'contents'}[0];
-$result_trees{'double_part'}[1]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[1]{'contents'}[0];
-$result_trees{'double_part'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[1]{'contents'}[0]{'contents'}[1];
-$result_trees{'double_part'}[1]{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'double_part'}[1]{'contents'}[0];
-$result_trees{'double_part'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[1];
+$result_trees{'double_part'}[0]{'extra'}{'node'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'double_part'}[0]{'extra'}{'section'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[0]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'double_part'}[1]{'contents'}[0] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 $result_trees{'double_part'}[1]{'extra'}{'first_in_page'} = 
$result_trees{'double_part'}[1];
-$result_trees{'double_part'}[1]{'extra'}{'section'} = 
$result_trees{'double_part'}[1]{'contents'}[0];
-$result_trees{'double_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[1]{'contents'}[0];
-$result_trees{'double_part'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'double_part'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[2]{'contents'}[0]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[2];
-$result_trees{'double_part'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'double_part'}[2]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[1];
-$result_trees{'double_part'}[2]{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'double_part'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'double_part'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'double_part'}[2];
-$result_trees{'double_part'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'double_part'}[2]{'contents'}[2]{'args'}[0];
-$result_trees{'double_part'}[2]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[2];
-$result_trees{'double_part'}[2]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'double_part'}[2]{'contents'}[2];
-$result_trees{'double_part'}[2]{'contents'}[2]{'extra'}{'associated_part'} = 
$result_trees{'double_part'}[2]{'contents'}[0];
-$result_trees{'double_part'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'double_part'}[2];
+$result_trees{'double_part'}[1]{'extra'}{'section'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'double_part'}[1]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'double_part'}[2]{'contents'}[0] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'double_part'}[2]{'contents'}[1] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'double_part'}[2]{'contents'}[2] = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
 $result_trees{'double_part'}[2]{'extra'}{'first_in_page'} = 
$result_trees{'double_part'}[2];
-$result_trees{'double_part'}[2]{'extra'}{'node'} = 
$result_trees{'double_part'}[2]{'contents'}[1];
-$result_trees{'double_part'}[2]{'extra'}{'section'} = 
$result_trees{'double_part'}[2]{'contents'}[2];
-$result_trees{'double_part'}[2]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[2]{'contents'}[2];
-$result_trees{'double_part'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'double_part'}[1];
+$result_trees{'double_part'}[2]{'extra'}{'node'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'double_part'}[2]{'extra'}{'section'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'double_part'}[2]{'extra'}{'unit_command'} = 
$result_trees{'double_part'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
 
 $result_texis{'double_part'} = '@node Top
 @top top
@@ -545,75 +538,176 @@ $result_sectioning{'double_part'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_prev' => {},
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'node-chapter',
-                  'spaces_before_argument' => ' '
+                  'first_in_page' => {},
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'first_in_page' => {},
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'node-chapter',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {
+                                  'cmdname' => 'part',
+                                  'extra' => {
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {
+                                      'extra' => {
+                                        'first_in_page' => {},
+                                        'section' => {},
+                                        'unit_command' => {}
+                                      },
+                                      'structure' => {
+                                        'directions' => {
+                                          'Back' => {},
+                                          'FastForward' => {},
+                                          'Forward' => {},
+                                          'Next' => {},
+                                          'Prev' => {},
+                                          'This' => {}
+                                        },
+                                        'unit_next' => {},
+                                        'unit_prev' => {}
+                                      },
+                                      'type' => 'unit'
+                                    },
+                                    'level' => 0,
+                                    'section_prev' => {},
+                                    'section_up' => {}
+                                  }
+                                },
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'first_in_page'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'first_in_page'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'extra'}{'first_in_page'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'secti
 [...]
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'
 [...]
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'sectio
 [...]
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra
 [...]
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'section_prev'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'section_up'}
 = $result_sectioning{'double_part'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'double_part'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'double_part'};
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'double_part'};
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'};
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = $result_sectioning{'double_part'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'double_part'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'};
+$result_sectioning{'double_part'}{'structure'}{'section_childs'}[2] = 
$result_sectioning{'double_part'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'double_part'} = {
   'cmdname' => 'node',
@@ -624,6 +718,105 @@ $result_nodes{'double_part'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'first_in_page' => {},
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'first_in_page' => {},
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'node-chapter',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {
+                      'extra' => {
+                        'first_in_page' => {},
+                        'section' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastForward' => {},
+                          'Forward' => {},
+                          'Next' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -646,42 +839,49 @@ $result_nodes{'double_part'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'node-chapter',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'double_part'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'double_part'};
-$result_nodes{'double_part'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'double_part'};
-$result_nodes{'double_part'}{'structure'}{'node_next'} = 
$result_nodes{'double_part'}{'structure'}{'menu_child'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'first_in_page'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'double_part'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'double_part'}{'extra'}{'associated_section'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'double_part'}{'extra'}{'associated_section'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'first_in_page'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'double_part'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'double_part'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'first_in_page'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'double_part'}{'structure'}{'associated_unit'} = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'double_part'}{'structure'}{'menu_child'} = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'double_part'}{'structure'}{'node_next'} = 
$result_nodes{'double_part'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'double_part'} = {
   'cmdname' => 'node',
@@ -690,22 +890,152 @@ $result_menus{'double_part'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'node-chapter',
-        'spaces_before_argument' => ' '
+        'first_in_page' => {},
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'first_in_page' => {},
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'node-chapter',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {
+                  'extra' => {
+                    'first_in_page' => {},
+                    'section' => {
+                      'cmdname' => 'part',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 0
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastForward' => {},
+                      'Forward' => {},
+                      'Next' => {},
+                      'Prev' => {},
+                      'This' => {}
+                    },
+                    'unit_next' => {},
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'double_part'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'double_part'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'extra'}{'first_in_page'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'extra'}{'node'} 
= $result_menus{'double_part'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'first_in_page'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'double_part'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'first_in_page'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'double_part'}{'structure'}{'associated_unit'};
+$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_menus{'double_part'}{'structure'}{'menu_child'} = 
$result_menus{'double_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'double_part'} = [
   {
@@ -752,6 +1082,7 @@ $result_elements{'double_part'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -759,6 +1090,71 @@ $result_elements{'double_part'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'first_in_page' => {},
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
+                    'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {
+                      'extra' => {
+                        'first_in_page' => {},
+                        'section' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastForward' => {},
+                          'Forward' => {},
+                          'Next' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -773,6 +1169,7 @@ $result_elements{'double_part'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -780,68 +1177,7 @@ $result_elements{'double_part'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'first_in_page' => {},
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {
-                'extra' => {
-                  'first_in_page' => {},
-                  'section' => {
-                    'cmdname' => 'part',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 0
-                    }
-                  },
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'FastForward' => {},
-                    'Forward' => {},
-                    'Next' => {},
-                    'Prev' => {},
-                    'This' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -855,31 +1191,37 @@ $result_elements{'double_part'} = [
   {}
 ];
 $result_elements{'double_part'}[0]{'extra'}{'first_in_page'} = 
$result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'first_in_page'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'first_in_page'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'double_part'}[0];
+$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'double_part'}[0]{'extra'}{'node'};
+$result_elements{'double_part'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'double_part'}[0];
 $result_elements{'double_part'}[0]{'extra'}{'unit_command'} = 
$result_elements{'double_part'}[0]{'extra'}{'section'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'first_in_page'}
 = $result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'first_in_page'}
 = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'double_part'}[0];
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = $result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'double_part'}[0];
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'double_part'}[0];
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'double_part'}[0];
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'double_part'}[0];
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'Forward'} = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'Next'} = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'NodeForward'} = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'double_part'}[0]{'structure'}{'directions'}{'NodeNext'} = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'} = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'structure'}{'directions'}{'Forward'} = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'structure'}{'directions'}{'Next'} = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[0]{'structure'}{'directions'}{'NodeForward'} = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'double_part'}[0]{'structure'}{'directions'}{'NodeNext'} = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 $result_elements{'double_part'}[0]{'structure'}{'directions'}{'This'} = 
$result_elements{'double_part'}[0];
-$result_elements{'double_part'}[1] = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
-$result_elements{'double_part'}[2] = 
$result_elements{'double_part'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'double_part'}[1] = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_elements{'double_part'}[2] = 
$result_elements{'double_part'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/double_top.pl 
b/tp/t/results/sectioning/double_top.pl
index e7af09a50c..1bc7bf7b02 100644
--- a/tp/t/results/sectioning/double_top.pl
+++ b/tp/t/results/sectioning/double_top.pl
@@ -75,8 +75,7 @@ $result_trees{'double_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -192,8 +191,7 @@ $result_trees{'double_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/double_top_in_menu.pl 
b/tp/t/results/sectioning/double_top_in_menu.pl
index 82c8fe1f36..c70ffcf08e 100644
--- a/tp/t/results/sectioning/double_top_in_menu.pl
+++ b/tp/t/results/sectioning/double_top_in_menu.pl
@@ -259,8 +259,7 @@ $result_trees{'double_top_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/double_top_section.pl 
b/tp/t/results/sectioning/double_top_section.pl
index f18f5ace2c..742dcf96fc 100644
--- a/tp/t/results/sectioning/double_top_section.pl
+++ b/tp/t/results/sectioning/double_top_section.pl
@@ -63,10 +63,7 @@ $result_trees{'double_top_section'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -113,10 +110,7 @@ $result_trees{'double_top_section'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/email_in_node.pl 
b/tp/t/results/sectioning/email_in_node.pl
index 43481fa8ab..f64c433119 100644
--- a/tp/t/results/sectioning/email_in_node.pl
+++ b/tp/t/results/sectioning/email_in_node.pl
@@ -160,8 +160,7 @@ $result_trees{'email_in_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/empty_ref_arg.pl 
b/tp/t/results/sectioning/empty_ref_arg.pl
index bac84c99bc..b25a997b78 100644
--- a/tp/t/results/sectioning/empty_ref_arg.pl
+++ b/tp/t/results/sectioning/empty_ref_arg.pl
@@ -368,8 +368,7 @@ $result_trees{'empty_ref_arg'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/empty_top_node_up.pl 
b/tp/t/results/sectioning/empty_top_node_up.pl
index 1f505c3a28..350c0b131c 100644
--- a/tp/t/results/sectioning/empty_top_node_up.pl
+++ b/tp/t/results/sectioning/empty_top_node_up.pl
@@ -51,8 +51,7 @@ $result_trees{'empty_top_node_up'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -204,10 +203,7 @@ $result_trees{'empty_top_node_up'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -248,8 +244,7 @@ $result_trees{'empty_top_node_up'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/equivalent_labels.pl 
b/tp/t/results/sectioning/equivalent_labels.pl
index a19b201a2d..fb86ecd6df 100644
--- a/tp/t/results/sectioning/equivalent_labels.pl
+++ b/tp/t/results/sectioning/equivalent_labels.pl
@@ -81,8 +81,7 @@ $result_trees{'equivalent_labels'} = {
             'line_nr' => 3,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'contents' => [
@@ -192,10 +191,7 @@ $result_trees{'equivalent_labels'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -409,8 +405,7 @@ $result_trees{'equivalent_labels'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/equivalent_nodes.pl 
b/tp/t/results/sectioning/equivalent_nodes.pl
index 66f2ea35b7..0cf3c27786 100644
--- a/tp/t/results/sectioning/equivalent_nodes.pl
+++ b/tp/t/results/sectioning/equivalent_nodes.pl
@@ -227,8 +227,7 @@ $result_trees{'equivalent_nodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -336,8 +335,7 @@ $result_trees{'equivalent_nodes'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/explicit_node_directions.pl 
b/tp/t/results/sectioning/explicit_node_directions.pl
index 15bb074adf..9836a3245a 100644
--- a/tp/t/results/sectioning/explicit_node_directions.pl
+++ b/tp/t/results/sectioning/explicit_node_directions.pl
@@ -10,540 +10,539 @@ $result_trees{'explicit_node_directions'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'third node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'third-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'third node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'third-node'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'third-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+                'normalized' => 'third-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'third-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'explicit_node_directions'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'explicit_node_directions'}[0];
-$result_trees{'explicit_node_directions'}[0]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[0]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'contents'}[1];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'explicit_node_directions'}[1];
-$result_trees{'explicit_node_directions'}[1]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[1]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'explicit_node_directions'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[2];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'explicit_node_directions'}[2];
-$result_trees{'explicit_node_directions'}[2]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[2]{'contents'}[0];
-$result_trees{'explicit_node_directions'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'explicit_node_directions'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'};
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'};
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'};
+$result_trees{'explicit_node_directions'}[0]{'contents'}[1] = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[0]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'explicit_node_directions'}[1]{'contents'}[0] = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[1]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[1]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'explicit_node_directions'}[2]{'contents'}[0] = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[2]{'extra'}{'node'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'explicit_node_directions'}[2]{'extra'}{'unit_command'} = 
$result_trees{'explicit_node_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'explicit_node_directions'} = '@node Top
 Top node
@@ -591,36 +590,117 @@ $result_nodes{'explicit_node_directions'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'node_prev' => {},
+                  'node_up' => {}
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
           },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'};
-$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'explicit_node_directions'};
-$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'explicit_node_directions'};
-$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'explicit_node_directions'};
-$result_nodes{'explicit_node_directions'}{'structure'}{'node_next'} = 
$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'explicit_node_directions'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'explicit_node_directions'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'explicit_node_directions'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'explicit_node_directions'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'explicit_node_directions'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'menu_child'} = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'explicit_node_directions'}{'structure'}{'node_next'} = 
$result_nodes{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'explicit_node_directions'} = {
   'cmdname' => 'node',
@@ -629,38 +709,119 @@ $result_menus{'explicit_node_directions'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
           },
-          'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'menu_child'};
-$result_menus{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'explicit_node_directions'};
-$result_menus{'explicit_node_directions'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'explicit_node_directions'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'explicit_node_directions'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'explicit_node_directions'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'explicit_node_directions'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'explicit_node_directions'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'};
+$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'explicit_node_directions'}{'structure'}{'menu_child'} = 
$result_menus{'explicit_node_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'explicit_node_directions'} = [];
 
@@ -678,6 +839,7 @@ $result_elements{'explicit_node_directions'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -685,20 +847,55 @@ $result_elements{'explicit_node_directions'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'third-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'unit_command' => {}
                 },
                 'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
+                  'directions' => {
+                    'Back' => {},
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'third-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -711,40 +908,7 @@ $result_elements{'explicit_node_directions'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'Forward' => {
-                'extra' => {
-                  'node' => {},
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'NodeBack' => {},
-                    'NodePrev' => {},
-                    'NodeUp' => {},
-                    'This' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -755,31 +919,34 @@ $result_elements{'explicit_node_directions'} = [
   {},
   {}
 ];
-$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'explicit_node_directions'}[0]{'extra'}{'node'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'explicit_node_directions'}[0]{'extra'}{'node'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'explicit_node_directions'}[0];
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'explicit_node_directions'}[0]{'extra'}{'node'};
 $result_elements{'explicit_node_directions'}[0]{'extra'}{'unit_command'} = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'explicit_node_directions'}[0];
-$result_elements{'explicit_node_directions'}[1] = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'explicit_node_directions'}[2] = 
$result_elements{'explicit_node_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'explicit_node_directions'}[1] = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'explicit_node_directions'}[2] = 
$result_elements{'explicit_node_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
 
 
diff --git a/tp/t/results/sectioning/external_node_in_menu.pl 
b/tp/t/results/sectioning/external_node_in_menu.pl
index b7e05ffbcb..9020769b34 100644
--- a/tp/t/results/sectioning/external_node_in_menu.pl
+++ b/tp/t/results/sectioning/external_node_in_menu.pl
@@ -51,8 +51,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -333,10 +332,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -377,8 +373,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -414,11 +409,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -459,8 +450,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -489,11 +479,7 @@ $result_trees{'external_node_in_menu'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/hole_in_sectioning.pl 
b/tp/t/results/sectioning/hole_in_sectioning.pl
index 029a7b3686..8add24e585 100644
--- a/tp/t/results/sectioning/hole_in_sectioning.pl
+++ b/tp/t/results/sectioning/hole_in_sectioning.pl
@@ -46,10 +46,7 @@ $result_trees{'hole_in_sectioning'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'hole_in_sectioning'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'hole_in_sectioning'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'hole_in_sectioning'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -198,11 +183,7 @@ $result_trees{'hole_in_sectioning'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.2'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/internal_top_node_up.pl 
b/tp/t/results/sectioning/internal_top_node_up.pl
index ea78674b8f..80d1295123 100644
--- a/tp/t/results/sectioning/internal_top_node_up.pl
+++ b/tp/t/results/sectioning/internal_top_node_up.pl
@@ -10,309 +10,310 @@ $result_trees{'internal_top_node_up'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'internal top node up'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'internal top node up'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'first'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'internal_top_node_up'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'internal_top_node_up'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'internal_top_node_up'}[0];
-$result_trees{'internal_top_node_up'}[0]{'extra'}{'node'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[0]{'extra'}{'section'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'internal_top_node_up'}[0]{'extra'}{'unit_command'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'internal_top_node_up'}[1];
-$result_trees{'internal_top_node_up'}[1]{'extra'}{'node'} = 
$result_trees{'internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[1]{'extra'}{'unit_command'} = 
$result_trees{'internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'internal_top_node_up'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'internal_top_node_up'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'internal_top_node_up'}[0]{'contents'}[1] = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'contents'}[2] = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'extra'}{'node'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'internal_top_node_up'}[0]{'extra'}{'section'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'internal_top_node_up'}[0]{'extra'}{'unit_command'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'internal_top_node_up'}[1]{'contents'}[0] = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'internal_top_node_up'}[1]{'extra'}{'node'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'internal_top_node_up'}[1]{'extra'}{'unit_command'} = 
$result_trees{'internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'internal_top_node_up'} = '@node Top
 @top internal top node up
@@ -345,11 +346,56 @@ $result_sectioning{'internal_top_node_up'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'first',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -357,6 +403,23 @@ $result_sectioning{'internal_top_node_up'} = {
     ]
   }
 };
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'internal_top_node_up'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'internal_top_node_up'};
 
 $result_nodes{'internal_top_node_up'} = {
@@ -368,6 +431,51 @@ $result_nodes{'internal_top_node_up'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'first',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -390,23 +498,32 @@ $result_nodes{'internal_top_node_up'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'internal_top_node_up'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'internal_top_node_up'};
-$result_nodes{'internal_top_node_up'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'internal_top_node_up'};
-$result_nodes{'internal_top_node_up'}{'structure'}{'node_next'} = 
$result_nodes{'internal_top_node_up'}{'structure'}{'menu_child'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'internal_top_node_up'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'internal_top_node_up'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'internal_top_node_up'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'internal_top_node_up'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'internal_top_node_up'}{'structure'}{'associated_unit'} = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'internal_top_node_up'}{'structure'}{'menu_child'} = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'internal_top_node_up'}{'structure'}{'node_next'} = 
$result_nodes{'internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'internal_top_node_up'} = {
   'cmdname' => 'node',
@@ -415,22 +532,83 @@ $result_menus{'internal_top_node_up'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'internal_top_node_up'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'internal_top_node_up'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'internal_top_node_up'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'internal_top_node_up'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'internal_top_node_up'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'internal_top_node_up'}{'structure'}{'menu_child'} = 
$result_menus{'internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'internal_top_node_up'} = [];
 
@@ -448,6 +626,7 @@ $result_elements{'internal_top_node_up'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -455,6 +634,23 @@ $result_elements{'internal_top_node_up'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -469,6 +665,7 @@ $result_elements{'internal_top_node_up'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -476,23 +673,7 @@ $result_elements{'internal_top_node_up'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -502,20 +683,23 @@ $result_elements{'internal_top_node_up'} = [
   },
   {}
 ];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'internal_top_node_up'}[0];
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'internal_top_node_up'}[0]{'extra'}{'node'};
+$result_elements{'internal_top_node_up'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'internal_top_node_up'}[0];
 $result_elements{'internal_top_node_up'}[0]{'extra'}{'unit_command'} = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'};
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 $result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'internal_top_node_up'}[0];
-$result_elements{'internal_top_node_up'}[1] = 
$result_elements{'internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'internal_top_node_up'}[1] = 
$result_elements{'internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/lone_Top_node.pl 
b/tp/t/results/sectioning/lone_Top_node.pl
index 04e4e696e0..c6f8eb9e5d 100644
--- a/tp/t/results/sectioning/lone_Top_node.pl
+++ b/tp/t/results/sectioning/lone_Top_node.pl
@@ -46,256 +46,257 @@ $result_trees{'lone_Top_node'} = [
             'type' => 'empty_line'
           }
         ],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'First'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'First'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'First'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 5,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'First'
+                    'normalized' => 'Top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'First'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'First'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 5,
-              'macro' => ''
+                'normalized' => 'First',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'First'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chap'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'First'
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'First',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
+        'type' => 'before_node_section'
       },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chap'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 10,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
@@ -303,42 +304,45 @@ 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'cont
 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'contents'}[0];
 $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0];
 $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'lone_Top_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'lone_Top_node'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[2];
-$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'extra'}{'node_content'}[0] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'lone_Top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'lone_Top_node'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'lone_Top_node'}[0]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[3];
-$result_trees{'lone_Top_node'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'lone_Top_node'}[0];
-$result_trees{'lone_Top_node'}[0]{'extra'}{'node'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[2];
-$result_trees{'lone_Top_node'}[0]{'extra'}{'section'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[3];
-$result_trees{'lone_Top_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[3];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'lone_Top_node'}[0]{'contents'}[1] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'lone_Top_node'}[0]{'contents'}[2] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'lone_Top_node'}[0]{'contents'}[3] = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'lone_Top_node'}[0]{'extra'}{'node'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'lone_Top_node'}[0]{'extra'}{'section'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'lone_Top_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'lone_Top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'lone_Top_node'} = '@setfilename lone_Top_node.info
 
@@ -374,11 +378,28 @@ $result_sectioning{'lone_Top_node'} = {
               'normalized' => 'First',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1,
           'section_up' => {}
@@ -387,6 +408,13 @@ $result_sectioning{'lone_Top_node'} = {
     ]
   }
 };
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'lone_Top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'lone_Top_node'};
 
 $result_nodes{'lone_Top_node'} = {
@@ -411,33 +439,58 @@ $result_nodes{'lone_Top_node'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
+        'node' => {
+          'cmdname' => 'node',
           'extra' => {
+            'associated_section' => {
+              'cmdname' => 'chapter',
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'level' => 1,
+                'number' => 1
+              }
+            },
+            'normalized' => 'First',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'level' => 1,
-            'number' => 1
+            'associated_unit' => {},
+            'node_prev' => {},
+            'node_up' => {}
           }
         },
-        'normalized' => 'First',
-        'spaces_before_argument' => ' '
+        'section' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'directions' => {
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'lone_Top_node'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'lone_Top_node'};
-$result_nodes{'lone_Top_node'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'lone_Top_node'};
-$result_nodes{'lone_Top_node'}{'structure'}{'node_next'} = 
$result_nodes{'lone_Top_node'}{'structure'}{'menu_child'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = $result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'lone_Top_node'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'lone_Top_node'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'lone_Top_node'}{'structure'}{'menu_child'} = 
$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_nodes{'lone_Top_node'}{'structure'}{'node_next'} = 
$result_nodes{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'};
 
 $result_menus{'lone_Top_node'} = {
   'cmdname' => 'node',
@@ -446,22 +499,55 @@ $result_menus{'lone_Top_node'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'First',
-        'spaces_before_argument' => ' '
+        'node' => {
+          'cmdname' => 'node',
+          'extra' => {
+            'normalized' => 'First',
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'menu_up' => {},
+            'menu_up_hash' => {
+              'Top' => 1
+            }
+          }
+        },
+        'section' => {
+          'cmdname' => 'chapter',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1,
+            'number' => 1
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
+        'directions' => {
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
         }
-      }
-    }
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'lone_Top_node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'lone_Top_node'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_menus{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'lone_Top_node'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'lone_Top_node'}{'structure'}{'associated_unit'};
+$result_menus{'lone_Top_node'}{'structure'}{'menu_child'} = 
$result_menus{'lone_Top_node'}{'structure'}{'associated_unit'}{'extra'}{'node'};
 
 $result_errors{'lone_Top_node'} = [
   {
@@ -489,6 +575,7 @@ $result_elements{'lone_Top_node'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_up' => {
             'cmdname' => 'node',
             'extra' => {
@@ -496,6 +583,7 @@ $result_elements{'lone_Top_node'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'menu_child' => {}
             }
           },
@@ -510,6 +598,7 @@ $result_elements{'lone_Top_node'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -526,7 +615,10 @@ $result_elements{'lone_Top_node'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'lone_Top_node'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'lone_Top_node'}[0];
+$result_elements{'lone_Top_node'}[0]{'extra'}{'node'}{'structure'}{'menu_up'}{'structure'}{'associated_unit'}
 = $result_elements{'lone_Top_node'}[0];
 
$result_elements{'lone_Top_node'}[0]{'extra'}{'node'}{'structure'}{'menu_up'}{'structure'}{'menu_child'}
 = $result_elements{'lone_Top_node'}[0]{'extra'}{'node'};
+$result_elements{'lone_Top_node'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'lone_Top_node'}[0];
 $result_elements{'lone_Top_node'}[0]{'extra'}{'unit_command'} = 
$result_elements{'lone_Top_node'}[0]{'extra'}{'section'};
 $result_elements{'lone_Top_node'}[0]{'structure'}{'directions'}{'NodePrev'} = 
$result_elements{'lone_Top_node'}[0];
 $result_elements{'lone_Top_node'}[0]{'structure'}{'directions'}{'NodeUp'} = 
$result_elements{'lone_Top_node'}[0];
diff --git a/tp/t/results/sectioning/loop_nodes.pl 
b/tp/t/results/sectioning/loop_nodes.pl
index 1a34c1555f..3354a0ed08 100644
--- a/tp/t/results/sectioning/loop_nodes.pl
+++ b/tp/t/results/sectioning/loop_nodes.pl
@@ -87,8 +87,7 @@ $result_trees{'loop_nodes'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -240,10 +239,7 @@ $result_trees{'loop_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -435,8 +431,7 @@ $result_trees{'loop_nodes'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -628,8 +623,7 @@ $result_trees{'loop_nodes'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -670,8 +664,7 @@ $result_trees{'loop_nodes'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/lowered_subsubsection.pl 
b/tp/t/results/sectioning/lowered_subsubsection.pl
index 76f4091d77..bed4b49296 100644
--- a/tp/t/results/sectioning/lowered_subsubsection.pl
+++ b/tp/t/results/sectioning/lowered_subsubsection.pl
@@ -51,8 +51,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -197,10 +196,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -241,8 +237,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -394,11 +389,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -439,8 +430,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -592,11 +582,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -637,8 +623,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -847,11 +832,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -892,8 +873,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -941,11 +921,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -986,8 +962,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1140,11 +1115,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1185,8 +1156,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1252,11 +1222,7 @@ $result_trees{'lowered_subsubsection'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/loweredheading.pl 
b/tp/t/results/sectioning/loweredheading.pl
index d3e34b2e18..2e398221cc 100644
--- a/tp/t/results/sectioning/loweredheading.pl
+++ b/tp/t/results/sectioning/loweredheading.pl
@@ -71,8 +71,7 @@ $result_trees{'loweredheading'} = {
             'line_nr' => 3,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -84,11 +83,7 @@ $result_trees{'loweredheading'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/menutextorder.pl 
b/tp/t/results/sectioning/menutextorder.pl
index d6fa651937..5cb5c18fc3 100644
--- a/tp/t/results/sectioning/menutextorder.pl
+++ b/tp/t/results/sectioning/menutextorder.pl
@@ -225,8 +225,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -378,11 +377,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -423,8 +418,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -460,11 +454,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -505,8 +495,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -548,11 +537,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -593,8 +578,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -860,11 +844,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -905,8 +885,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -942,11 +921,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -987,8 +962,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 32,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1024,11 +998,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1069,8 +1039,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1099,11 +1068,7 @@ $result_trees{'menutextorder'} = {
         'line_nr' => 36,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.3'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/more_sections_than_nodes.pl 
b/tp/t/results/sectioning/more_sections_than_nodes.pl
index 1663bce133..55bcb6d19c 100644
--- a/tp/t/results/sectioning/more_sections_than_nodes.pl
+++ b/tp/t/results/sectioning/more_sections_than_nodes.pl
@@ -51,8 +51,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -318,10 +317,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -357,11 +353,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -402,8 +394,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -439,11 +430,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -479,11 +466,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -579,8 +562,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -732,11 +714,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -772,11 +750,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -817,8 +791,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -854,11 +827,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -894,11 +863,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.3'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -934,11 +899,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 4
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -974,11 +935,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 33,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '4.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1014,11 +971,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '4.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1097,8 +1050,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1134,11 +1086,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '4.1.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1167,11 +1115,7 @@ $result_trees{'more_sections_than_nodes'} = {
         'line_nr' => 40,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/next_in_menu_is_below.pl 
b/tp/t/results/sectioning/next_in_menu_is_below.pl
index c19422b62a..1800ccd96d 100644
--- a/tp/t/results/sectioning/next_in_menu_is_below.pl
+++ b/tp/t/results/sectioning/next_in_menu_is_below.pl
@@ -51,8 +51,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -204,10 +203,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -248,8 +244,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -458,11 +453,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -503,8 +494,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -656,11 +646,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -701,8 +687,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -731,11 +716,7 @@ $result_trees{'next_in_menu_is_below'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/next_no_prev_to_node.pl 
b/tp/t/results/sectioning/next_no_prev_to_node.pl
index 18a478e080..789e6142cb 100644
--- a/tp/t/results/sectioning/next_no_prev_to_node.pl
+++ b/tp/t/results/sectioning/next_no_prev_to_node.pl
@@ -231,8 +231,7 @@ $result_trees{'next_no_prev_to_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -322,8 +321,7 @@ $result_trees{'next_no_prev_to_node'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -393,8 +391,7 @@ $result_trees{'next_no_prev_to_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/no_argument_and_contents.pl 
b/tp/t/results/sectioning/no_argument_and_contents.pl
index a1c7666a6e..6ac230f611 100644
--- a/tp/t/results/sectioning/no_argument_and_contents.pl
+++ b/tp/t/results/sectioning/no_argument_and_contents.pl
@@ -70,10 +70,7 @@ $result_trees{'no_argument_and_contents'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -122,11 +119,7 @@ $result_trees{'no_argument_and_contents'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/no_element.pl 
b/tp/t/results/sectioning/no_element.pl
index 79117d1219..70c8bfad97 100644
--- a/tp/t/results/sectioning/no_element.pl
+++ b/tp/t/results/sectioning/no_element.pl
@@ -448,10 +448,7 @@ $result_trees{'no_element'} = {
             'line_nr' => 21,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/sectioning/no_menu.pl 
b/tp/t/results/sectioning/no_menu.pl
index 14d49c94ac..b0edea39b4 100644
--- a/tp/t/results/sectioning/no_menu.pl
+++ b/tp/t/results/sectioning/no_menu.pl
@@ -51,8 +51,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -81,10 +80,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,8 +121,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -162,11 +157,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,8 +198,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -244,11 +234,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -289,8 +275,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -319,11 +304,7 @@ $result_trees{'no_menu'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_empty_direction.pl 
b/tp/t/results/sectioning/node_empty_direction.pl
index 4a66d0a44e..6b8a378dec 100644
--- a/tp/t/results/sectioning/node_empty_direction.pl
+++ b/tp/t/results/sectioning/node_empty_direction.pl
@@ -56,8 +56,7 @@ $result_trees{'node_empty_direction'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_line_arguments.pl 
b/tp/t/results/sectioning/node_line_arguments.pl
index 4c3f0ebf14..27b5be9e45 100644
--- a/tp/t/results/sectioning/node_line_arguments.pl
+++ b/tp/t/results/sectioning/node_line_arguments.pl
@@ -58,8 +58,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -117,8 +116,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -195,8 +193,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -292,8 +289,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -396,8 +392,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -462,8 +457,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -623,8 +617,7 @@ $result_trees{'node_line_arguments'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_nested_parentheses.pl 
b/tp/t/results/sectioning/node_nested_parentheses.pl
index 0adf52234c..dc4770df2f 100644
--- a/tp/t/results/sectioning/node_nested_parentheses.pl
+++ b/tp/t/results/sectioning/node_nested_parentheses.pl
@@ -426,8 +426,7 @@ $result_trees{'node_nested_parentheses'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_part_chapter_after_chapter.pl 
b/tp/t/results/sectioning/node_part_chapter_after_chapter.pl
index 3a83988a79..347c7c698c 100644
--- a/tp/t/results/sectioning/node_part_chapter_after_chapter.pl
+++ b/tp/t/results/sectioning/node_part_chapter_after_chapter.pl
@@ -10,602 +10,595 @@ $result_trees{'node_part_chapter_after_chapter'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
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-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[1]{'structure'}{'unit_prev'} 
= $result_trees{'node_part_chapter_after_chapter'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'args'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'node_part_chapter_after_chapter'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2];
-$result_trees{'node_part_chapter_after_chapter'}[2]{'structure'}{'unit_prev'} 
= $result_trees{'node_part_chapter_after_chapter'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'associated_part'}
 = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[1] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[2] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[0] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[1]{'contents'}[1] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_chapter'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[0] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[1] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'contents'}[2] = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'node_part_chapter_after_chapter'}[2]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
 
 $result_texis{'node_part_chapter_after_chapter'} = '@node Top
 @top top
@@ -659,88 +652,198 @@ $result_sectioning{'node_part_chapter_after_chapter'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chapter-node',
-                    'spaces_before_argument' => ' '
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'part-chapter-node',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'associated_part' => {
+                                    'cmdname' => 'part',
+                                    'extra' => {
+                                      'part_associated_section' => {},
+                                      'spaces_before_argument' => ' '
+                                    },
+                                    'structure' => {
+                                      'associated_unit' => {},
+                                      'level' => 0,
+                                      'section_childs' => [
+                                        {}
+                                      ],
+                                      'section_prev' => {},
+                                      'section_up' => {}
+                                    }
+                                  },
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 2,
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodeBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
                   },
-                  'structure' => {}
+                  'unit_next' => {}
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
+                'type' => 'unit'
               }
             }
-          ],
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'part-chapter-node',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 2,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
-            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
             {}
           ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direc
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direct
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fa
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_chapter'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'di
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directi
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_chapter'};
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_chapter'};
+$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'node_part_chapter_after_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'node_part_chapter_after_chapter'} = {
   'cmdname' => 'node',
@@ -751,6 +854,122 @@ $result_nodes{'node_part_chapter_after_chapter'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {
+                                    'extra' => {
+                                      'node' => {},
+                                      'section' => {},
+                                      'unit_command' => {}
+                                    },
+                                    'structure' => {
+                                      'directions' => {
+                                        'Back' => {},
+                                        'FastBack' => {},
+                                        'NodeBack' => {},
+                                        'NodePrev' => {},
+                                        'NodeUp' => {},
+                                        'This' => {}
+                                      },
+                                      'unit_prev' => {}
+                                    },
+                                    'type' => 'unit'
+                                  },
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 2
+                            }
+                          },
+                          'normalized' => 'part-chapter-node',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -773,65 +992,56 @@ $result_nodes{'node_part_chapter_after_chapter'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2
-              }
-            },
-            'normalized' => 'part-chapter-node',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'};
-$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_chapter'};
-$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'node_part_chapter_after_chapter'};
-$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_chapter'};
-$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'node_next'} = 
$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'node_part_chapter_after_chapter'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'struc
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'nod
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'e
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'stru
 [...]
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_chapter'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'node_part_chapter_after_chapter'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_chapter'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'} = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'node_part_chapter_after_chapter'}{'structure'}{'node_next'} = 
$result_nodes{'node_part_chapter_after_chapter'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'node_part_chapter_after_chapter'} = {
   'cmdname' => 'node',
@@ -840,38 +1050,177 @@ $result_menus{'node_part_chapter_after_chapter'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'part-chapter-node',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'part-chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 2
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'};
-$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_chapter'};
-$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_chapter'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'node_part_chapter_after_chapter'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_chapter'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_chapter'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'menu_child'} = 
$result_menus{'node_part_chapter_after_chapter'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'node_part_chapter_after_chapter'} = [
   {
@@ -899,6 +1248,7 @@ $result_elements{'node_part_chapter_after_chapter'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -906,80 +1256,18 @@ $result_elements{'node_part_chapter_after_chapter'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'part-chapter-node',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
                     'cmdname' => 'chapter',
                     'extra' => {
-                      'associated_part' => {
-                        'cmdname' => 'part',
-                        'extra' => {
-                          'spaces_before_argument' => ' '
-                        },
-                        'structure' => {
-                          'level' => 0
-                        }
-                      },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 2
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -988,26 +1276,94 @@ $result_elements{'node_part_chapter_after_chapter'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'part-chapter-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 2
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
                     'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
                     'NodePrev' => {},
                     'NodeUp' => {},
-                    'This' => {}
+                    'This' => {},
+                    'Up' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -1020,37 +1376,44 @@ $result_elements{'node_part_chapter_after_chapter'} = [
   {},
   {}
 ];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'unit_command'} 
= $result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'section'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'node_part_chapter_after_chapter'}[0];
-$result_elements{'node_part_chapter_after_chapter'}[1] = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_chapter'}[2] = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_chapter'}[1] = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_chapter'}[2] = 
$result_elements{'node_part_chapter_after_chapter'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/node_part_chapter_after_top.pl 
b/tp/t/results/sectioning/node_part_chapter_after_top.pl
index 1fc965d44f..af64c58832 100644
--- a/tp/t/results/sectioning/node_part_chapter_after_top.pl
+++ b/tp/t/results/sectioning/node_part_chapter_after_top.pl
@@ -10,392 +10,390 @@ $result_trees{'node_part_chapter_after_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter-node'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'chapter-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' 
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter node'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chapter-node'
-            }
-          ],
-          'normalized' => 'chapter-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' 
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[0];
-$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'node_part_chapter_after_top'}[1];
-$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'node_part_chapter_after_top'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'node_part_chapter_after_top'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'associated_part'}
 = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[1] = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[2] = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[0] = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[1] = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'node_part_chapter_after_top'}[1]{'contents'}[2] = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'node_part_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
 
 $result_texis{'node_part_chapter_after_top'} = '@node Top
 @top top
@@ -436,62 +434,128 @@ $result_sectioning{'node_part_chapter_after_top'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {},
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_top'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_top'};
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'node_part_chapter_after_top'};
+$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'node_part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'node_part_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -502,6 +566,75 @@ $result_nodes{'node_part_chapter_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -524,42 +657,37 @@ $result_nodes{'node_part_chapter_after_top'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'node_part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'node_part_chapter_after_top'};
-$result_nodes{'node_part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_top'};
-$result_nodes{'node_part_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'node_part_chapter_after_top'}{'structure'}{'menu_child'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'node_part_chapter_after_top'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'node_part_chapter_after_top'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'node_part_chapter_after_top'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'node_part_chapter_after_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'node_part_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'node_part_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'node_part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'node_part_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -568,22 +696,110 @@ $result_menus{'node_part_chapter_after_top'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'node_part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_top'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'node_part_chapter_after_top'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'node_part_chapter_after_top'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'node_part_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_menus{'node_part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'node_part_chapter_after_top'} = [
   {
@@ -611,6 +827,7 @@ $result_elements{'node_part_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -618,6 +835,44 @@ $result_elements{'node_part_chapter_after_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
+                    'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -632,6 +887,7 @@ $result_elements{'node_part_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -639,42 +895,7 @@ $result_elements{'node_part_chapter_after_top'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -686,22 +907,27 @@ $result_elements{'node_part_chapter_after_top'} = [
   },
   {}
 ];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_top'}[0];
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'};
+$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'node_part_chapter_after_top'}[0];
 $result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'section'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'node_part_chapter_after_top'}[0];
-$result_elements{'node_part_chapter_after_top'}[1] = 
$result_elements{'node_part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'node_part_chapter_after_top'}[1] = 
$result_elements{'node_part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/node_referenced_in_ref.pl 
b/tp/t/results/sectioning/node_referenced_in_ref.pl
index 0fc2961cdc..1ad0ba8c3e 100644
--- a/tp/t/results/sectioning/node_referenced_in_ref.pl
+++ b/tp/t/results/sectioning/node_referenced_in_ref.pl
@@ -210,8 +210,7 @@ $result_trees{'node_referenced_in_ref'} = {
                     'line_nr' => 11,
                     'macro' => ''
                   },
-                  'parent' => {},
-                  'structure' => {}
+                  'parent' => {}
                 },
                 'node_argument' => {
                   'node_content' => [
@@ -263,8 +262,7 @@ $result_trees{'node_referenced_in_ref'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -312,8 +310,7 @@ $result_trees{'node_referenced_in_ref'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {}
   ],
diff --git a/tp/t/results/sectioning/node_sectop_before_chapter_no_node.pl 
b/tp/t/results/sectioning/node_sectop_before_chapter_no_node.pl
index 6898bf4c13..4b6ac896ea 100644
--- a/tp/t/results/sectioning/node_sectop_before_chapter_no_node.pl
+++ b/tp/t/results/sectioning/node_sectop_before_chapter_no_node.pl
@@ -87,8 +87,7 @@ $result_trees{'node_sectop_before_chapter_no_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'node_sectop_before_chapter_no_node'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -156,11 +152,7 @@ $result_trees{'node_sectop_before_chapter_no_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -212,8 +204,7 @@ $result_sectioning{'node_sectop_before_chapter_no_node'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -259,8 +250,7 @@ $result_nodes{'node_sectop_before_chapter_no_node'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'node_sectop_before_chapter_no_node'} = {
@@ -268,8 +258,7 @@ $result_menus{'node_sectop_before_chapter_no_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'node_sectop_before_chapter_no_node'} = [];
diff --git a/tp/t/results/sectioning/node_sectop_before_lone_node_Top.pl 
b/tp/t/results/sectioning/node_sectop_before_lone_node_Top.pl
index a349ca2551..37b648ae02 100644
--- a/tp/t/results/sectioning/node_sectop_before_lone_node_Top.pl
+++ b/tp/t/results/sectioning/node_sectop_before_lone_node_Top.pl
@@ -87,8 +87,7 @@ $result_trees{'node_sectop_before_lone_node_Top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -141,10 +140,7 @@ $result_trees{'node_sectop_before_lone_node_Top'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -209,8 +205,7 @@ $result_trees{'node_sectop_before_lone_node_Top'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -251,8 +246,7 @@ $result_trees{'node_sectop_before_lone_node_Top'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -299,11 +293,7 @@ $result_trees{'node_sectop_before_lone_node_Top'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_too_much_args.pl 
b/tp/t/results/sectioning/node_too_much_args.pl
index b2f21d8e84..16d3286154 100644
--- a/tp/t/results/sectioning/node_too_much_args.pl
+++ b/tp/t/results/sectioning/node_too_much_args.pl
@@ -91,8 +91,7 @@ $result_trees{'node_too_much_args'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_up_direction_for_top_with_manual.pl 
b/tp/t/results/sectioning/node_up_direction_for_top_with_manual.pl
index 45d6104afb..3ef542e9fb 100644
--- a/tp/t/results/sectioning/node_up_direction_for_top_with_manual.pl
+++ b/tp/t/results/sectioning/node_up_direction_for_top_with_manual.pl
@@ -94,8 +94,7 @@ $result_trees{'node_up_direction_for_top_with_manual'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/node_up_external_node.pl 
b/tp/t/results/sectioning/node_up_external_node.pl
index 4a27bf421a..3fce2199fe 100644
--- a/tp/t/results/sectioning/node_up_external_node.pl
+++ b/tp/t/results/sectioning/node_up_external_node.pl
@@ -10,364 +10,366 @@ $result_trees{'node_up_external_node'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'first'
+                    'normalized' => 'Top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
                     },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
-                ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
+                    {
+                      'parent' => {},
+                      'text' => 'manual1'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'manual2'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' ',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'manual3'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'first'
+                  },
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  },
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  },
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 7,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'manual1'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'manual2'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' ',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'manual3'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 7,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node_up_external_node'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_up_external_node'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node_up_external_node'}[0];
-$result_trees{'node_up_external_node'}[0]{'extra'}{'node'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'parent'} 
= $result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[1]{'contents'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[2]{'contents'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'node_up_external_node'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node_up_external_node'}[1];
-$result_trees{'node_up_external_node'}[1]{'extra'}{'node'} = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_up_external_node'}[1]{'contents'}[0];
-$result_trees{'node_up_external_node'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'node_up_external_node'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'node_up_external_node'}[0]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_up_external_node'}[0]{'contents'}[1] = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'extra'}{'node'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_up_external_node'}[1]{'contents'}[0] = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[1]{'extra'}{'node'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_up_external_node'}[1]{'extra'}{'unit_command'} = 
$result_trees{'node_up_external_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'node_up_external_node'} = '@node Top
 
@@ -406,46 +408,118 @@ $result_nodes{'node_up_external_node'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'extra' => {
-            'manual_content' => [
-              {
-                'text' => 'manual1'
-              }
-            ]
-          }
-        },
-        'node_prev' => {
-          'extra' => {
-            'manual_content' => [
-              {
-                'text' => 'manual2'
-              }
-            ]
-          }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_next' => {
+                    'extra' => {
+                      'manual_content' => [
+                        {
+                          'text' => 'manual1'
+                        }
+                      ]
+                    }
+                  },
+                  'node_prev' => {
+                    'extra' => {
+                      'manual_content' => [
+                        {
+                          'text' => 'manual2'
+                        }
+                      ]
+                    }
+                  },
+                  'node_up' => {
+                    'extra' => {
+                      'manual_content' => [
+                        {
+                          'text' => 'manual3'
+                        }
+                      ]
+                    }
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'NodeBack' => {},
+                'NodeForward' => {
+                  'extra' => {
+                    'manual_content' => []
+                  },
+                  'type' => 'external_node'
+                },
+                'NodeNext' => {
+                  'extra' => {
+                    'manual_content' => []
+                  },
+                  'type' => 'external_node'
+                },
+                'NodePrev' => {
+                  'extra' => {
+                    'manual_content' => []
+                  },
+                  'type' => 'external_node'
+                },
+                'NodeUp' => {
+                  'extra' => {
+                    'manual_content' => []
+                  },
+                  'type' => 'external_node'
+                },
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_up' => {
-          'extra' => {
-            'manual_content' => [
-              {
-                'text' => 'manual3'
-              }
-            ]
-          }
-        }
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'node_up_external_node'}{'structure'}{'node_next'} = 
$result_nodes{'node_up_external_node'}{'structure'}{'menu_child'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'node_up_external_node'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'node_up_external_node'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}{'extra'}{'manual_content'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'manual_content'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}{'extra'}{'manual_content'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'manual_content'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}{'extra'}{'manual_content'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'extra'}{'manual_content'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}{'extra'}{'manual_content'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'node_up_external_node'}{'structure'}{'menu_child'} = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'node_up_external_node'}{'structure'}{'node_next'} = 
$result_nodes{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'node_up_external_node'} = {
   'cmdname' => 'node',
@@ -454,22 +528,103 @@ $result_menus{'node_up_external_node'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'NodeBack' => {},
+                'NodeForward' => {
+                  'extra' => {
+                    'manual_content' => [
+                      {
+                        'text' => 'manual1'
+                      }
+                    ]
+                  },
+                  'type' => 'external_node'
+                },
+                'NodeNext' => {
+                  'extra' => {
+                    'manual_content' => []
+                  },
+                  'type' => 'external_node'
+                },
+                'NodePrev' => {
+                  'extra' => {
+                    'manual_content' => [
+                      {
+                        'text' => 'manual2'
+                      }
+                    ]
+                  },
+                  'type' => 'external_node'
+                },
+                'NodeUp' => {
+                  'extra' => {
+                    'manual_content' => [
+                      {
+                        'text' => 'manual3'
+                      }
+                    ]
+                  },
+                  'type' => 'external_node'
+                },
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'node_up_external_node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'node_up_external_node'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'node_up_external_node'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'node_up_external_node'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'node_up_external_node'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}{'extra'}{'manual_content'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}{'extra'}{'manual_content'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_menus{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'node_up_external_node'}{'structure'}{'associated_unit'};
+$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'node_up_external_node'}{'structure'}{'menu_child'} = 
$result_menus{'node_up_external_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'node_up_external_node'} = [];
 
@@ -487,6 +642,7 @@ $result_elements{'node_up_external_node'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -494,6 +650,56 @@ $result_elements{'node_up_external_node'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'manual1'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'NodeNext' => {
+                      'extra' => {
+                        'manual_content' => []
+                      },
+                      'type' => 'external_node'
+                    },
+                    'NodePrev' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'manual2'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'manual3'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -506,56 +712,7 @@ $result_elements{'node_up_external_node'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'NodeBack' => {},
-              'NodeForward' => {
-                'extra' => {
-                  'manual_content' => [
-                    {
-                      'text' => 'manual1'
-                    }
-                  ]
-                },
-                'type' => 'external_node'
-              },
-              'NodeNext' => {
-                'extra' => {
-                  'manual_content' => []
-                },
-                'type' => 'external_node'
-              },
-              'NodePrev' => {
-                'extra' => {
-                  'manual_content' => [
-                    {
-                      'text' => 'manual2'
-                    }
-                  ]
-                },
-                'type' => 'external_node'
-              },
-              'NodeUp' => {
-                'extra' => {
-                  'manual_content' => [
-                    {
-                      'text' => 'manual3'
-                    }
-                  ]
-                },
-                'type' => 'external_node'
-              },
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -565,18 +722,20 @@ $result_elements{'node_up_external_node'} = [
   },
   {}
 ];
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'node_up_external_node'}[0];
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_up_external_node'}[0];
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_up_external_node'}[0];
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}{'extra'}{'manual_content'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}{'extra'}{'manual_content'};
+$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'node_up_external_node'}[0]{'extra'}{'node'};
 $result_elements{'node_up_external_node'}[0]{'extra'}{'unit_command'} = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'node_up_external_node'}[0];
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'node_up_external_node'}[0];
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}{'extra'}{'manual_content'}
 = 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}{'extra'}{'manual_content'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'node_up_external_node'}[0];
-$result_elements{'node_up_external_node'}[1] = 
$result_elements{'node_up_external_node'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'node_up_external_node'}[1] = 
$result_elements{'node_up_external_node'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/nodename_parentheses.pl 
b/tp/t/results/sectioning/nodename_parentheses.pl
index 3339c171b6..0d909ab259 100644
--- a/tp/t/results/sectioning/nodename_parentheses.pl
+++ b/tp/t/results/sectioning/nodename_parentheses.pl
@@ -51,8 +51,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -333,10 +332,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -377,8 +373,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -431,11 +426,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -476,8 +467,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -630,11 +620,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -690,8 +676,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -801,11 +786,7 @@ $result_trees{'nodename_parentheses'} = {
         'line_nr' => 23,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl 
b/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
index cb9f03d8e8..7f990b4091 100644
--- a/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
+++ b/tp/t/results/sectioning/nodes_after_top_before_chapter_nodes.pl
@@ -10,578 +10,575 @@ $result_trees{'nodes_after_top_before_chapter_nodes'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'third node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'third-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'third node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'third-node'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'third-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
+                'normalized' => 'third-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'third-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 13,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'section'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'structure'}{'unit_prev'}
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'contents'}[0] = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[0] = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'section'} = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_nodes'}[2]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'nodes_after_top_before_chapter_nodes'} = '@node Top
 Top node
@@ -623,11 +620,84 @@ 
$result_sectioning{'nodes_after_top_before_chapter_nodes'} = {
               'normalized' => 'third-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'second-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'Top',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Forward' => {},
+                                'NodeForward' => {},
+                                'NodeNext' => {},
+                                'This' => {}
+                              },
+                              'unit_next' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1,
           'section_up' => {}
@@ -636,6 +706,33 @@ $result_sectioning{'nodes_after_top_before_chapter_nodes'} 
= {
     ]
   }
 };
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'nodes_after_top_before_chapter_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'nodes_after_top_before_chapter_nodes'};
 
 $result_nodes{'nodes_after_top_before_chapter_nodes'} = {
@@ -660,46 +757,131 @@ $result_nodes{'nodes_after_top_before_chapter_nodes'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {
+                            'extra' => {
+                              'node' => {},
+                              'section' => {},
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'NodeBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'node_prev' => {},
+                  'node_up' => {}
+                }
               },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
             },
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+            'type' => 'unit'
           },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'};
-$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
-$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
-$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
-$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_nodes'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'nodes_after_top_before_chapter_nodes'} = {
   'cmdname' => 'node',
@@ -708,38 +890,131 @@ $result_menus{'nodes_after_top_before_chapter_nodes'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 1
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
           },
-          'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'};
-$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
-$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_nodes'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'menu_child'}
 = 
$result_menus{'nodes_after_top_before_chapter_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'nodes_after_top_before_chapter_nodes'} = [];
 
@@ -757,6 +1032,7 @@ $result_elements{'nodes_after_top_before_chapter_nodes'} = 
[
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -764,20 +1040,66 @@ $result_elements{'nodes_after_top_before_chapter_nodes'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'third-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'unit_command' => {}
                 },
                 'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
+                  'directions' => {
+                    'Back' => {},
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'third-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -790,50 +1112,7 @@ $result_elements{'nodes_after_top_before_chapter_nodes'} 
= [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'Forward' => {
-                'extra' => {
-                  'node' => {},
-                  'section' => {
-                    'cmdname' => 'chapter',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 1,
-                      'number' => 1
-                    }
-                  },
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'NodeBack' => {},
-                    'NodePrev' => {},
-                    'NodeUp' => {},
-                    'This' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -844,31 +1123,35 @@ $result_elements{'nodes_after_top_before_chapter_nodes'} 
= [
   {},
   {}
 ];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'};
 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'unit_command'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'nodes_after_top_before_chapter_nodes'}[0];
-$result_elements{'nodes_after_top_before_chapter_nodes'}[1] = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_chapter_nodes'}[2] = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[1] = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_chapter_nodes'}[2] = 
$result_elements{'nodes_after_top_before_chapter_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
 
 
diff --git 
a/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split.pl 
b/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split.pl
index 4d28a82144..5af575e1a3 100644
--- a/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split.pl
+++ b/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split.pl
@@ -236,8 +236,7 @@ $result_trees{'nodes_after_top_before_chapter_not_split'} = 
{
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -353,8 +352,7 @@ $result_trees{'nodes_after_top_before_chapter_not_split'} = 
{
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -433,8 +431,7 @@ $result_trees{'nodes_after_top_before_chapter_not_split'} = 
{
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -463,11 +460,7 @@ $result_trees{'nodes_after_top_before_chapter_not_split'} 
= {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split_no_use_node_directions.pl
 
b/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split_no_use_node_directions.pl
index fd110c1905..eff5d69083 100644
--- 
a/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split_no_use_node_directions.pl
+++ 
b/tp/t/results/sectioning/nodes_after_top_before_chapter_not_split_no_use_node_directions.pl
@@ -236,8 +236,7 @@ 
$result_trees{'nodes_after_top_before_chapter_not_split_no_use_node_directions'}
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -353,8 +352,7 @@ 
$result_trees{'nodes_after_top_before_chapter_not_split_no_use_node_directions'}
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -433,8 +431,7 @@ 
$result_trees{'nodes_after_top_before_chapter_not_split_no_use_node_directions'}
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -463,11 +460,7 @@ 
$result_trees{'nodes_after_top_before_chapter_not_split_no_use_node_directions'}
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl 
b/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
index 0a83025eb3..fb8ceaee8b 100644
--- a/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
+++ b/tp/t/results/sectioning/nodes_after_top_before_chapter_sections.pl
@@ -10,548 +10,553 @@ $result_trees{'nodes_after_top_before_chapter_sections'} 
= [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'third node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'third-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'third node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'third-node'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'third-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+                'normalized' => 'third-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'third-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
+        'type' => 'before_node_section'
       },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 13,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[2];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4]{'args'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'section'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4];
-$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[2] = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[3] = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[4] = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'section'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'nodes_after_top_before_chapter_sections'} = '@node Top
 Top node
@@ -593,11 +598,28 @@ 
$result_sectioning{'nodes_after_top_before_chapter_sections'} = {
               'normalized' => 'third-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1,
           'section_up' => {}
@@ -606,6 +628,13 @@ 
$result_sectioning{'nodes_after_top_before_chapter_sections'} = {
     ]
   }
 };
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'nodes_after_top_before_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'nodes_after_top_before_chapter_sections'};
 
 $result_nodes{'nodes_after_top_before_chapter_sections'} = {
@@ -630,14 +659,9 @@ $result_nodes{'nodes_after_top_before_chapter_sections'} = 
{
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
+        'node' => {
           'cmdname' => 'node',
           'extra' => {
             'associated_section' => {
@@ -646,6 +670,7 @@ $result_nodes{'nodes_after_top_before_chapter_sections'} = {
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -654,22 +679,53 @@ $result_nodes{'nodes_after_top_before_chapter_sections'} 
= {
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'node_prev' => {},
+            'associated_unit' => {},
+            'node_prev' => {
+              'cmdname' => 'node',
+              'extra' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'node_next' => {},
+                'node_prev' => {},
+                'node_up' => {}
+              }
+            },
             'node_up' => {}
           }
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'section' => {},
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'};
-$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
-$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
-$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
-$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_chapter_sections'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'};
+$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'};
 
 $result_menus{'nodes_after_top_before_chapter_sections'} = {
   'cmdname' => 'node',
@@ -678,38 +734,73 @@ $result_menus{'nodes_after_top_before_chapter_sections'} 
= {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
+        'node' => {
           'cmdname' => 'node',
           'extra' => {
             'normalized' => 'third-node',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
+            'associated_unit' => {},
+            'menu_prev' => {
+              'cmdname' => 'node',
+              'extra' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'menu_next' => {},
+                'menu_up' => {},
+                'menu_up_hash' => {
+                  'Top' => 1
+                }
+              }
+            },
             'menu_up' => {},
             'menu_up_hash' => {
               'Top' => 1
             }
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
+        'section' => {
+          'cmdname' => 'chapter',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1,
+            'number' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
         }
-      }
-    }
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'};
-$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_sections'};
-$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_sections'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_sections'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_chapter_sections'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'menu_child'}
 = 
$result_menus{'nodes_after_top_before_chapter_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
 $result_errors{'nodes_after_top_before_chapter_sections'} = [];
 
@@ -727,6 +818,7 @@ $result_elements{'nodes_after_top_before_chapter_sections'} 
= [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_prev' => {
             'cmdname' => 'node',
             'extra' => {
@@ -734,6 +826,7 @@ $result_elements{'nodes_after_top_before_chapter_sections'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'menu_next' => {},
               'menu_up' => {
                 'cmdname' => 'node',
@@ -742,6 +835,7 @@ $result_elements{'nodes_after_top_before_chapter_sections'} 
= [
                   'spaces_before_argument' => ' '
                 },
                 'structure' => {
+                  'associated_unit' => {},
                   'menu_child' => {}
                 }
               },
@@ -762,6 +856,7 @@ $result_elements{'nodes_after_top_before_chapter_sections'} 
= [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -778,9 +873,13 @@ 
$result_elements{'nodes_after_top_before_chapter_sections'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
+$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}{'structure'}{'menu_child'}
 = 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'};
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'};
+$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'extra'}{'section'};
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
 
$result_elements{'nodes_after_top_before_chapter_sections'}[0]{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_chapter_sections'}[0];
diff --git a/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl 
b/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
index 83d3528f80..83aa7c9d95 100644
--- a/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
+++ b/tp/t/results/sectioning/nodes_after_top_before_section_nodes.pl
@@ -10,578 +10,575 @@ $result_trees{'nodes_after_top_before_section_nodes'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'third node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'third-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'third node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'third-node'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'third-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
+                'normalized' => 'third-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'subsection'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'subsection',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
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-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
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-                'parent' => {},
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-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
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-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
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-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            undef,
-            {
-              'node_content' => [
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-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
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-          'macro' => ''
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-      {
-        'args' => [
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-            'parent' => {},
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-        'cmdname' => 'subsection',
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-        'line_nr' => {
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-          'line_nr' => 13,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 3,
-          'number' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'section'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_nodes'}[2]{'structure'}{'unit_prev'}
 = $result_trees{'nodes_after_top_before_section_nodes'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_nodes'}[1]{'contents'}[0] = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[0] = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[2]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'section'} = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_nodes'}[2]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_section_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'nodes_after_top_before_section_nodes'} = '@node Top
 Top node
@@ -623,11 +620,85 @@ 
$result_sectioning{'nodes_after_top_before_section_nodes'} = {
               'normalized' => 'third-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'second-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'Top',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Forward' => {},
+                                'NodeForward' => {},
+                                'NodeNext' => {},
+                                'This' => {}
+                              },
+                              'unit_next' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'FastBack' => undef,
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 3,
           'number' => 1,
           'section_up' => {}
@@ -636,6 +707,33 @@ $result_sectioning{'nodes_after_top_before_section_nodes'} 
= {
     ]
   }
 };
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'node'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'nodes_after_top_before_section_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'nodes_after_top_before_section_nodes'};
 
 $result_nodes{'nodes_after_top_before_section_nodes'} = {
@@ -660,46 +758,132 @@ $result_nodes{'nodes_after_top_before_section_nodes'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'subsection',
-              'extra' => {
-                'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'subsection',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {
+                            'extra' => {
+                              'node' => {},
+                              'section' => {},
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => undef,
+                                'NodeBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'level' => 3,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'node_prev' => {},
+                  'node_up' => {}
+                }
               },
-              'structure' => {
-                'level' => 3,
-                'number' => 1
-              }
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
             },
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+            'type' => 'unit'
           },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'};
-$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
-$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
-$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
-$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_nodes'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'nodes_after_top_before_section_nodes'} = {
   'cmdname' => 'node',
@@ -708,38 +892,132 @@ $result_menus{'nodes_after_top_before_section_nodes'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'third-node',
-            'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'third-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'subsection',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 3,
+                              'number' => 1
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => undef,
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
           },
-          'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'};
-$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
-$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_nodes'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'menu_child'}
 = 
$result_menus{'nodes_after_top_before_section_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'nodes_after_top_before_section_nodes'} = [];
 
@@ -757,6 +1035,7 @@ $result_elements{'nodes_after_top_before_section_nodes'} = 
[
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -764,20 +1043,67 @@ $result_elements{'nodes_after_top_before_section_nodes'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'third-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'unit_command' => {}
                 },
                 'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
+                  'directions' => {
+                    'Back' => {},
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'third-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'subsection',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 3,
+                            'number' => 1
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => undef,
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -790,51 +1116,7 @@ $result_elements{'nodes_after_top_before_section_nodes'} 
= [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'Forward' => {
-                'extra' => {
-                  'node' => {},
-                  'section' => {
-                    'cmdname' => 'subsection',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 3,
-                      'number' => 1
-                    }
-                  },
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'FastBack' => undef,
-                    'NodeBack' => {},
-                    'NodePrev' => {},
-                    'NodeUp' => {},
-                    'This' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -845,31 +1127,35 @@ $result_elements{'nodes_after_top_before_section_nodes'} 
= [
   {},
   {}
 ];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'};
 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'unit_command'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'nodes_after_top_before_section_nodes'}[0];
-$result_elements{'nodes_after_top_before_section_nodes'}[1] = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_after_top_before_section_nodes'}[2] = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_after_top_before_section_nodes'}[1] = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_after_top_before_section_nodes'}[2] = 
$result_elements{'nodes_after_top_before_section_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
 
 
diff --git a/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl 
b/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
index 2b0f17d7d6..5ba59e2bd4 100644
--- a/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
+++ b/tp/t/results/sectioning/nodes_after_top_before_section_sections.pl
@@ -10,548 +10,553 @@ $result_trees{'nodes_after_top_before_section_sections'} 
= [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'third node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'third-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'third node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'third-node'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'third node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'third-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'second-node'
+                  },
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+                'normalized' => 'third-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'third node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'subsection'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'third-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            {
-              'node_content' => [
-                {}
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'subsection',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'third-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 12,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
+        'type' => 'before_node_section'
       },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'subsection'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'subsection',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 13,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 3,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[1]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[2];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[2]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4]{'args'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4]{'args'}[0]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4]{'parent'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'section'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4];
-$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'unit_command'}
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[1] = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[2] = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[3] = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[4] = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'section'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'nodes_after_top_before_section_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_after_top_before_section_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'nodes_after_top_before_section_sections'} = '@node Top
 Top node
@@ -593,11 +598,29 @@ 
$result_sectioning{'nodes_after_top_before_section_sections'} = {
               'normalized' => 'third-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastBack' => undef,
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 3,
           'number' => 1,
           'section_up' => {}
@@ -606,6 +629,13 @@ 
$result_sectioning{'nodes_after_top_before_section_sections'} = {
     ]
   }
 };
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'nodes_after_top_before_section_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'nodes_after_top_before_section_sections'};
 
 $result_nodes{'nodes_after_top_before_section_sections'} = {
@@ -630,14 +660,9 @@ $result_nodes{'nodes_after_top_before_section_sections'} = 
{
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
+        'node' => {
           'cmdname' => 'node',
           'extra' => {
             'associated_section' => {
@@ -646,6 +671,7 @@ $result_nodes{'nodes_after_top_before_section_sections'} = {
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 3,
                 'number' => 1
               }
@@ -654,22 +680,54 @@ $result_nodes{'nodes_after_top_before_section_sections'} 
= {
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'node_prev' => {},
+            'associated_unit' => {},
+            'node_prev' => {
+              'cmdname' => 'node',
+              'extra' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'node_next' => {},
+                'node_prev' => {},
+                'node_up' => {}
+              }
+            },
             'node_up' => {}
           }
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'section' => {},
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastBack' => undef,
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'};
-$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
-$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
-$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
-$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_after_top_before_section_sections'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'};
+$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'node_next'}
 = 
$result_nodes{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'node_prev'};
 
 $result_menus{'nodes_after_top_before_section_sections'} = {
   'cmdname' => 'node',
@@ -678,38 +736,74 @@ $result_menus{'nodes_after_top_before_section_sections'} 
= {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
+        'node' => {
           'cmdname' => 'node',
           'extra' => {
             'normalized' => 'third-node',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
+            'associated_unit' => {},
+            'menu_prev' => {
+              'cmdname' => 'node',
+              'extra' => {
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'menu_next' => {},
+                'menu_up' => {},
+                'menu_up_hash' => {
+                  'Top' => 1
+                }
+              }
+            },
             'menu_up' => {},
             'menu_up_hash' => {
               'Top' => 1
             }
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
+        'section' => {
+          'cmdname' => 'subsection',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 3,
+            'number' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastBack' => undef,
+          'NodePrev' => {},
+          'NodeUp' => {},
+          'This' => {}
         }
-      }
-    }
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'};
-$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_sections'};
-$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_sections'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_sections'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_after_top_before_section_sections'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'menu_child'}
 = 
$result_menus{'nodes_after_top_before_section_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
 $result_errors{'nodes_after_top_before_section_sections'} = [];
 
@@ -727,6 +821,7 @@ $result_elements{'nodes_after_top_before_section_sections'} 
= [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_prev' => {
             'cmdname' => 'node',
             'extra' => {
@@ -734,6 +829,7 @@ $result_elements{'nodes_after_top_before_section_sections'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'menu_next' => {},
               'menu_up' => {
                 'cmdname' => 'node',
@@ -742,6 +838,7 @@ $result_elements{'nodes_after_top_before_section_sections'} 
= [
                   'spaces_before_argument' => ' '
                 },
                 'structure' => {
+                  'associated_unit' => {},
                   'menu_child' => {}
                 }
               },
@@ -762,6 +859,7 @@ $result_elements{'nodes_after_top_before_section_sections'} 
= [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 3,
           'number' => 1
         }
@@ -779,9 +877,13 @@ 
$result_elements{'nodes_after_top_before_section_sections'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
+$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'};
+$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}{'structure'}{'menu_child'}
 = 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'};
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'};
+$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'extra'}{'section'};
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
 
$result_elements{'nodes_after_top_before_section_sections'}[0]{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_after_top_before_section_sections'}[0];
diff --git a/tp/t/results/sectioning/nodes_before_after_top.pl 
b/tp/t/results/sectioning/nodes_before_after_top.pl
index 1f3aa06a78..1f4deb716c 100644
--- a/tp/t/results/sectioning/nodes_before_after_top.pl
+++ b/tp/t/results/sectioning/nodes_before_after_top.pl
@@ -111,8 +111,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -153,8 +152,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,10 +205,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +270,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -317,8 +311,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,11 +358,7 @@ $result_trees{'nodes_before_after_top'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/nodes_before_after_top_xref.pl 
b/tp/t/results/sectioning/nodes_before_after_top_xref.pl
index 9d45e125e5..4551614348 100644
--- a/tp/t/results/sectioning/nodes_before_after_top_xref.pl
+++ b/tp/t/results/sectioning/nodes_before_after_top_xref.pl
@@ -111,8 +111,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -153,8 +152,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -207,10 +205,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -275,8 +270,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -317,8 +311,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -601,11 +594,7 @@ $result_trees{'nodes_before_after_top_xref'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/nodes_before_top.pl 
b/tp/t/results/sectioning/nodes_before_top.pl
index b2e61d42e8..1cbdb62d23 100644
--- a/tp/t/results/sectioning/nodes_before_top.pl
+++ b/tp/t/results/sectioning/nodes_before_top.pl
@@ -261,8 +261,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -338,8 +337,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -402,8 +400,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -555,10 +552,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -599,8 +593,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -629,11 +622,7 @@ $result_trees{'nodes_before_top'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/nodes_no_node_top_explicit_directions.pl 
b/tp/t/results/sectioning/nodes_no_node_top_explicit_directions.pl
index 37b1c1027b..3f7ccd8911 100644
--- a/tp/t/results/sectioning/nodes_no_node_top_explicit_directions.pl
+++ b/tp/t/results/sectioning/nodes_no_node_top_explicit_directions.pl
@@ -10,386 +10,388 @@ $result_trees{'nodes_no_node_top_explicit_directions'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first node
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first node
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'second node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'second-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'second node'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'first'
                   },
+                  undef,
+                  undef,
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second node
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'second-node'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'first'
+                  },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'first'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            undef,
-            undef,
-            {
-              'manual_content' => [
-                {}
-              ]
+                'normalized' => 'second-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second-node'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            }
-          ],
-          'normalized' => 'second-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'contents'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'unit_command'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'extra'}{'unit_command'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0];
-$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'extra'}{'end_command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'};
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[1] = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'} = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'contents'}[0] = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'extra'}{'node'} = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'nodes_no_node_top_explicit_directions'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'nodes_no_node_top_explicit_directions'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'nodes_no_node_top_explicit_directions'} = '@node first,,,(dir)
 first node
@@ -432,31 +434,84 @@ $result_nodes{'nodes_no_node_top_explicit_directions'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_prev' => {},
+                  'node_up' => {}
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       },
       'structure' => {}
     }
   }
 };
-$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
-$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'nodes_no_node_top_explicit_directions'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'menu_child'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'nodes_no_node_top_explicit_directions'} = {
   'cmdname' => 'node',
@@ -465,22 +520,78 @@ $result_menus{'nodes_no_node_top_explicit_directions'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'second-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'first' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'first' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_no_node_top_explicit_directions'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'nodes_no_node_top_explicit_directions'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'nodes_no_node_top_explicit_directions'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'nodes_no_node_top_explicit_directions'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'menu_child'}
 = 
$result_menus{'nodes_no_node_top_explicit_directions'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'nodes_no_node_top_explicit_directions'} = [];
 
@@ -498,6 +609,7 @@ $result_elements{'nodes_no_node_top_explicit_directions'} = 
[
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -505,6 +617,22 @@ $result_elements{'nodes_no_node_top_explicit_directions'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'first' => 1
@@ -517,22 +645,7 @@ $result_elements{'nodes_no_node_top_explicit_directions'} 
= [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeUp' => {
           'extra' => {
@@ -551,18 +664,20 @@ $result_elements{'nodes_no_node_top_explicit_directions'} 
= [
   },
   {}
 ];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'};
 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'};
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'nodes_no_node_top_explicit_directions'}[0];
-$result_elements{'nodes_no_node_top_explicit_directions'}[1] = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'nodes_no_node_top_explicit_directions'}[1] = 
$result_elements{'nodes_no_node_top_explicit_directions'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl 
b/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
index fbe02b7294..e7dfa0d395 100644
--- a/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
+++ b/tp/t/results/sectioning/non_automatic_internal_top_node_up.pl
@@ -10,637 +10,638 @@ $result_trees{'non_automatic_internal_top_node_up'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
                         },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 1,
-                          'macro' => ''
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 1,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 1,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
                         },
-                        'parent' => {}
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 1,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 1,
+                        'macro' => ''
                       },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+                      'parent' => {}
                     },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 1,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
-                        },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 1,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                    'normalized' => 'first'
+                  },
+                  {
+                    'node_content' => [
+                      {},
+                      {}
+                    ],
+                    'normalized' => 'GNU-manuals'
+                  },
+                  {
+                    'node_content' => [
+                      {},
+                      {}
+                    ],
+                    'normalized' => 'GNU-manuals'
                   }
                 ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 1,
-                  'macro' => ''
-                },
-                'parent' => {}
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'internal top node up'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'first'
-            },
-            {
-              'node_content' => [
-                {},
-                {}
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
               ],
-              'normalized' => 'GNU-manuals'
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {},
-                {}
-              ],
-              'normalized' => 'GNU-manuals'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'internal top node up'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'contents' => [],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 8,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 8,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                    'spaces_before_argument' => ' '
                   },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'first'
                   },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'first'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                    'normalized' => 'Top'
+                  },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {},
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'GNU-manuals'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
-                        },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 8,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {},
-                {}
-              ],
-              'normalized' => 'GNU-manuals'
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'};
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'unit_command'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'};
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'extra'}{'unit_command'}
 = $result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0];
-$result_trees{'non_automatic_internal_top_node_up'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'non_automatic_internal_top_node_up'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'};
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'};
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[1] = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[2] = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_internal_top_node_up'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'contents'}[0] = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_internal_top_node_up'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'non_automatic_internal_top_node_up'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'non_automatic_internal_top_node_up'} = '@node Top, first, 
@acronym{GNU, @acronym{GNU}\'s Not Unix} manuals, @acronym{GNU, 
@acronym{GNU}\'s Not Unix} manuals
 @top internal top node up
@@ -673,11 +674,55 @@ $result_sectioning{'non_automatic_internal_top_node_up'} 
= {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'first',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -685,6 +730,22 @@ $result_sectioning{'non_automatic_internal_top_node_up'} = 
{
     ]
   }
 };
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'non_automatic_internal_top_node_up'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'non_automatic_internal_top_node_up'};
 
 $result_nodes{'non_automatic_internal_top_node_up'} = {
@@ -696,6 +757,49 @@ $result_nodes{'non_automatic_internal_top_node_up'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'first',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {}
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -718,21 +822,30 @@ $result_nodes{'non_automatic_internal_top_node_up'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_internal_top_node_up'};
-$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'node_next'} 
= 
$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'menu_child'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'non_automatic_internal_top_node_up'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'non_automatic_internal_top_node_up'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_internal_top_node_up'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'menu_child'} 
= 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_internal_top_node_up'}{'structure'}{'node_next'} 
= 
$result_nodes{'non_automatic_internal_top_node_up'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'non_automatic_internal_top_node_up'} = {
   'cmdname' => 'node',
@@ -741,22 +854,81 @@ $result_menus{'non_automatic_internal_top_node_up'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_internal_top_node_up'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'non_automatic_internal_top_node_up'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'non_automatic_internal_top_node_up'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_internal_top_node_up'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'menu_child'} 
= 
$result_menus{'non_automatic_internal_top_node_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'non_automatic_internal_top_node_up'} = [
   {
@@ -802,6 +974,7 @@ $result_elements{'non_automatic_internal_top_node_up'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -809,6 +982,22 @@ $result_elements{'non_automatic_internal_top_node_up'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -823,6 +1012,7 @@ $result_elements{'non_automatic_internal_top_node_up'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -830,22 +1020,7 @@ $result_elements{'non_automatic_internal_top_node_up'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -855,19 +1030,22 @@ $result_elements{'non_automatic_internal_top_node_up'} = 
[
   },
   {}
 ];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'unit_command'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'};
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'non_automatic_internal_top_node_up'}[0];
-$result_elements{'non_automatic_internal_top_node_up'}[1] = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_internal_top_node_up'}[1] = 
$result_elements{'non_automatic_internal_top_node_up'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl 
b/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
index 260bc5cffd..4e330d9297 100644
--- a/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
+++ b/tp/t/results/sectioning/non_automatic_top_node_up_and_url.pl
@@ -10,637 +10,638 @@ $result_trees{'non_automatic_top_node_up_and_url'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
                         },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 1,
-                          'macro' => ''
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 1,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 1,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
                         },
-                        'parent' => {}
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 1,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 1,
+                        'macro' => ''
                       },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+                      'parent' => {}
                     },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 1,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
-                        },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 1,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
+                    'normalized' => 'first'
+                  },
+                  {
+                    'node_content' => [
+                      {},
+                      {}
+                    ],
+                    'normalized' => 'GNU-manuals'
+                  },
+                  {
+                    'node_content' => [
+                      {},
+                      {}
+                    ],
+                    'normalized' => 'GNU-manuals'
                   }
                 ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 1,
-                  'macro' => ''
-                },
-                'parent' => {}
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'internal top node up'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'first'
-            },
-            {
-              'node_content' => [
-                {},
-                {}
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
               ],
-              'normalized' => 'GNU-manuals'
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
             },
             {
-              'node_content' => [
-                {},
-                {}
-              ],
-              'normalized' => 'GNU-manuals'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'internal top node up'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'contents' => [],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'GNU'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'GNU'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'brace_command_arg'
+                                }
+                              ],
+                              'cmdname' => 'acronym',
+                              'contents' => [],
+                              'extra' => {
+                                'explanation_contents' => []
+                              },
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 8,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            },
+                            {
+                              'parent' => {},
+                              'text' => '\'s Not Unix'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'parent' => {},
+                          'type' => 'brace_command_arg'
+                        }
+                      ],
+                      'cmdname' => 'acronym',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 8,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ' manuals'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                    'spaces_before_argument' => ' '
                   },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'normalized' => 'first'
                   },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'first'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                    'normalized' => 'Top'
+                  },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {},
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'GNU-manuals'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'GNU'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'GNU'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'brace_command_arg'
-                          }
-                        ],
-                        'cmdname' => 'acronym',
-                        'contents' => [],
-                        'extra' => {
-                          'explanation_contents' => []
-                        },
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 8,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      },
-                      {
-                        'parent' => {},
-                        'text' => '\'s Not Unix'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'parent' => {},
-                    'type' => 'brace_command_arg'
-                  }
-                ],
-                'cmdname' => 'acronym',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {}
-              },
-              {
-                'parent' => {},
-                'text' => ' manuals'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {},
-                {}
-              ],
-              'normalized' => 'GNU-manuals'
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'};
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2]{'parent'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'unit_command'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'};
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[1];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'extra'}{'unit_command'} 
= $result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_and_url'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'non_automatic_top_node_up_and_url'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'args'}[1]{'contents'};
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'extra'}{'explanation_contents'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'};
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[1]
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[1] = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[2] = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'unit_command'} 
= 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'contents'}[0] = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_and_url'}[1]{'extra'}{'unit_command'} 
= 
$result_trees{'non_automatic_top_node_up_and_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'non_automatic_top_node_up_and_url'} = '@node Top, first, 
@acronym{GNU, @acronym{GNU}\'s Not Unix} manuals, @acronym{GNU, 
@acronym{GNU}\'s Not Unix} manuals
 @top internal top node up
@@ -673,11 +674,55 @@ $result_sectioning{'non_automatic_top_node_up_and_url'} = 
{
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'first',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -685,6 +730,22 @@ $result_sectioning{'non_automatic_top_node_up_and_url'} = {
     ]
   }
 };
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'non_automatic_top_node_up_and_url'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'non_automatic_top_node_up_and_url'};
 
 $result_nodes{'non_automatic_top_node_up_and_url'} = {
@@ -696,6 +757,49 @@ $result_nodes{'non_automatic_top_node_up_and_url'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'first',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {}
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -718,21 +822,30 @@ $result_nodes{'non_automatic_top_node_up_and_url'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_top_node_up_and_url'};
-$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'node_next'} = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'menu_child'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'non_automatic_top_node_up_and_url'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'non_automatic_top_node_up_and_url'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_top_node_up_and_url'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'menu_child'} 
= 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_top_node_up_and_url'}{'structure'}{'node_next'} = 
$result_nodes{'non_automatic_top_node_up_and_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'non_automatic_top_node_up_and_url'} = {
   'cmdname' => 'node',
@@ -741,22 +854,81 @@ $result_menus{'non_automatic_top_node_up_and_url'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_top_node_up_and_url'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'non_automatic_top_node_up_and_url'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'non_automatic_top_node_up_and_url'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_top_node_up_and_url'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'menu_child'} 
= 
$result_menus{'non_automatic_top_node_up_and_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'non_automatic_top_node_up_and_url'} = [
   {
@@ -802,6 +974,7 @@ $result_elements{'non_automatic_top_node_up_and_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -809,6 +982,22 @@ $result_elements{'non_automatic_top_node_up_and_url'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -823,6 +1012,7 @@ $result_elements{'non_automatic_top_node_up_and_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -830,22 +1020,7 @@ $result_elements{'non_automatic_top_node_up_and_url'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -855,19 +1030,22 @@ $result_elements{'non_automatic_top_node_up_and_url'} = [
   },
   {}
 ];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'unit_command'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'};
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'non_automatic_top_node_up_and_url'}[0];
-$result_elements{'non_automatic_top_node_up_and_url'}[1] = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_top_node_up_and_url'}[1] = 
$result_elements{'non_automatic_top_node_up_and_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/non_automatic_top_node_up_url.pl 
b/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
index 53c18b06b4..e6595a6a2b 100644
--- a/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
+++ b/tp/t/results/sectioning/non_automatic_top_node_up_url.pl
@@ -10,452 +10,453 @@ $result_trees{'non_automatic_top_node_up_url'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            },
+        'parent' => {
+          'contents' => [
+            {},
             {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'internal top node up'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'first'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'manual_content' => [
+                      {}
+                    ]
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'manual_content' => [
+                      {}
+                    ]
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'internal top node up'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'first'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'Top'
+                  },
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'non_automatic_top_node_up_url'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'non_automatic_top_node_up_url'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'non_automatic_top_node_up_url'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'unit_command'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'non_automatic_top_node_up_url'}[1];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'extra'}{'unit_command'} = 
$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'non_automatic_top_node_up_url'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'non_automatic_top_node_up_url'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[1] = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[2] = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'section'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'non_automatic_top_node_up_url'}[0]{'extra'}{'unit_command'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'contents'}[0] = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'extra'}{'node'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'non_automatic_top_node_up_url'}[1]{'extra'}{'unit_command'} = 
$result_trees{'non_automatic_top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'non_automatic_top_node_up_url'} = '@node Top, first, (dir), 
(dir)
 @top internal top node up
@@ -488,11 +489,85 @@ $result_sectioning{'non_automatic_top_node_up_url'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'first',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {
+                            'extra' => {
+                              'manual_content' => [
+                                {
+                                  'text' => 'dir'
+                                }
+                              ]
+                            },
+                            'type' => 'external_node'
+                          },
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -500,6 +575,22 @@ $result_sectioning{'non_automatic_top_node_up_url'} = {
     ]
   }
 };
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'non_automatic_top_node_up_url'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'non_automatic_top_node_up_url'};
 
 $result_nodes{'non_automatic_top_node_up_url'} = {
@@ -511,6 +602,85 @@ $result_nodes{'non_automatic_top_node_up_url'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'first',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {
+                        'extra' => {
+                          'manual_content' => [
+                            {
+                              'text' => 'dir'
+                            }
+                          ]
+                        },
+                        'structure' => {}
+                      }
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => []
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'NodePrev' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'NodeUp' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -533,49 +703,43 @@ $result_nodes{'non_automatic_top_node_up_url'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {
-          'extra' => {
-            'manual_content' => [
-              {
-                'text' => 'dir'
-              }
-            ]
-          },
-          'structure' => {}
-        }
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {},
     'node_prev' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       }
     },
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       }
     }
   }
 };
-$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_top_node_up_url'};
-$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'node_next'} = 
$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'menu_child'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'non_automatic_top_node_up_url'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'non_automatic_top_node_up_url'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'non_automatic_top_node_up_url'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}{'extra'}{'manual_content'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'} 
= 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'menu_child'} = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'node_next'} = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'node_prev'}{'extra'}{'manual_content'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}{'extra'}{'manual_content'};
+$result_nodes{'non_automatic_top_node_up_url'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'non_automatic_top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'non_automatic_top_node_up_url'} = {
   'cmdname' => 'node',
@@ -584,22 +748,111 @@ $result_menus{'non_automatic_top_node_up_url'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {
+                  'extra' => {
+                    'manual_content' => [
+                      {
+                        'text' => 'dir'
+                      }
+                    ]
+                  },
+                  'type' => 'external_node'
+                },
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'NodePrev' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_top_node_up_url'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'non_automatic_top_node_up_url'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'non_automatic_top_node_up_url'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'non_automatic_top_node_up_url'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'menu_child'} = 
$result_menus{'non_automatic_top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'non_automatic_top_node_up_url'} = [];
 
@@ -617,6 +870,7 @@ $result_elements{'non_automatic_top_node_up_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -624,6 +878,32 @@ $result_elements{'non_automatic_top_node_up_url'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -638,6 +918,7 @@ $result_elements{'non_automatic_top_node_up_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -645,32 +926,7 @@ $result_elements{'non_automatic_top_node_up_url'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {
-                'extra' => {
-                  'manual_content' => [
-                    {
-                      'text' => 'dir'
-                    }
-                  ]
-                },
-                'type' => 'external_node'
-              },
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'NodePrev' => {
@@ -700,19 +956,22 @@ $result_elements{'non_automatic_top_node_up_url'} = [
   },
   {}
 ];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
 $result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'unit_command'} 
= $result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'};
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'non_automatic_top_node_up_url'}[0];
-$result_elements{'non_automatic_top_node_up_url'}[1] = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'non_automatic_top_node_up_url'}[1] = 
$result_elements{'non_automatic_top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/novalidate.pl 
b/tp/t/results/sectioning/novalidate.pl
index 6ecda01bd2..a64e08d305 100644
--- a/tp/t/results/sectioning/novalidate.pl
+++ b/tp/t/results/sectioning/novalidate.pl
@@ -262,8 +262,7 @@ $result_trees{'novalidate'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/one_node_explicit_directions_anchor.pl 
b/tp/t/results/sectioning/one_node_explicit_directions_anchor.pl
index 892bc95eef..2d00df8a31 100644
--- a/tp/t/results/sectioning/one_node_explicit_directions_anchor.pl
+++ b/tp/t/results/sectioning/one_node_explicit_directions_anchor.pl
@@ -199,8 +199,7 @@ $result_trees{'one_node_explicit_directions_anchor'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/one_subsection.pl 
b/tp/t/results/sectioning/one_subsection.pl
index def0b97c4c..1cf18c5e95 100644
--- a/tp/t/results/sectioning/one_subsection.pl
+++ b/tp/t/results/sectioning/one_subsection.pl
@@ -39,11 +39,7 @@ $result_trees{'one_subsection'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/one_subsection_and_node.pl 
b/tp/t/results/sectioning/one_subsection_and_node.pl
index e0b2018863..00d47a0a53 100644
--- a/tp/t/results/sectioning/one_subsection_and_node.pl
+++ b/tp/t/results/sectioning/one_subsection_and_node.pl
@@ -51,8 +51,7 @@ $result_trees{'one_subsection_and_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -81,11 +80,7 @@ $result_trees{'one_subsection_and_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -121,8 +116,7 @@ $result_sectioning{'one_subsection_and_node'} = {
             'extra' => {
               'normalized' => 'one-node',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -152,8 +146,7 @@ $result_nodes{'one_subsection_and_node'} = {
     },
     'normalized' => 'one-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'one_subsection_and_node'} = {
@@ -161,8 +154,7 @@ $result_menus{'one_subsection_and_node'} = {
   'extra' => {
     'normalized' => 'one-node',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'one_subsection_and_node'} = [];
diff --git a/tp/t/results/sectioning/part_before_chapter.pl 
b/tp/t/results/sectioning/part_before_chapter.pl
index ea30a90b01..0fd94bbed3 100644
--- a/tp/t/results/sectioning/part_before_chapter.pl
+++ b/tp/t/results/sectioning/part_before_chapter.pl
@@ -10,102 +10,103 @@ $result_trees{'part_before_chapter'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_before_chapter'}[0];
-$result_trees{'part_before_chapter'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_before_chapter'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[1];
-$result_trees{'part_before_chapter'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[1];
-$result_trees{'part_before_chapter'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_before_chapter'}[0];
-$result_trees{'part_before_chapter'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_before_chapter'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[2];
-$result_trees{'part_before_chapter'}[0]{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[1];
-$result_trees{'part_before_chapter'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_before_chapter'}[0];
-$result_trees{'part_before_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[2];
-$result_trees{'part_before_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[2];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_before_chapter'}[0]{'contents'}[0];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'associated_part'}
 = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_chapter'}[0]{'contents'}[1] = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_chapter'}[0]{'contents'}[2] = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'part_before_chapter'} = '@part part
 
@@ -134,6 +135,18 @@ $result_sectioning{'part_before_chapter'} = {
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'level' => 1,
               'number' => 1,
               'section_up' => {}
@@ -142,6 +155,7 @@ $result_sectioning{'part_before_chapter'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
             {}
@@ -153,7 +167,11 @@ $result_sectioning{'part_before_chapter'} = {
   }
 };
 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
 
$result_sectioning{'part_before_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_before_chapter'};
 
@@ -175,12 +193,14 @@ $result_elements{'part_before_chapter'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -195,6 +215,8 @@ $result_elements{'part_before_chapter'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'part_before_chapter'}[0]{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_chapter'}[0];
+$result_elements{'part_before_chapter'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_chapter'}[0];
 $result_elements{'part_before_chapter'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_before_chapter'}[0]{'extra'}{'section'};
 $result_elements{'part_before_chapter'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'part_before_chapter'}[0];
 
diff --git a/tp/t/results/sectioning/part_before_section.pl 
b/tp/t/results/sectioning/part_before_section.pl
index d0b63044f7..e2e6b33059 100644
--- a/tp/t/results/sectioning/part_before_section.pl
+++ b/tp/t/results/sectioning/part_before_section.pl
@@ -10,102 +10,103 @@ $result_trees{'part_before_section'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' 
-'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'section',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' 
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'section',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_before_section'}[0];
-$result_trees{'part_before_section'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_section'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_before_section'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_before_section'}[0]{'contents'}[1];
-$result_trees{'part_before_section'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_section'}[0]{'contents'}[1];
-$result_trees{'part_before_section'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_before_section'}[0];
-$result_trees{'part_before_section'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_section'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_before_section'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'part_before_section'}[0]{'contents'}[2];
-$result_trees{'part_before_section'}[0]{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'part_before_section'}[0]{'contents'}[1];
-$result_trees{'part_before_section'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_before_section'}[0];
-$result_trees{'part_before_section'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_section'}[0]{'contents'}[2];
-$result_trees{'part_before_section'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_section'}[0]{'contents'}[2];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_before_section'}[0]{'contents'}[0];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'associated_part'}
 = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_section'}[0]{'contents'}[1] = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_section'}[0]{'contents'}[2] = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_section'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_section'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_section'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'part_before_section'} = '@part part
 
@@ -134,6 +135,18 @@ $result_sectioning{'part_before_section'} = {
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'level' => 1,
               'number' => 1,
               'section_up' => {}
@@ -142,6 +155,7 @@ $result_sectioning{'part_before_section'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
             {}
@@ -153,7 +167,11 @@ $result_sectioning{'part_before_section'} = {
   }
 };
 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
 
$result_sectioning{'part_before_section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_before_section'};
 
@@ -185,12 +203,14 @@ $result_elements{'part_before_section'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -205,6 +225,8 @@ $result_elements{'part_before_section'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'part_before_section'}[0]{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_section'}[0];
+$result_elements{'part_before_section'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_section'}[0];
 $result_elements{'part_before_section'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_before_section'}[0]{'extra'}{'section'};
 $result_elements{'part_before_section'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'part_before_section'}[0];
 
diff --git a/tp/t/results/sectioning/part_before_top.pl 
b/tp/t/results/sectioning/part_before_top.pl
index ad4d84530a..daf1b58cd9 100644
--- a/tp/t/results/sectioning/part_before_top.pl
+++ b/tp/t/results/sectioning/part_before_top.pl
@@ -10,101 +10,103 @@ $result_trees{'part_before_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_before_top'}[0];
-$result_trees{'part_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_before_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_before_top'}[0]{'contents'}[1];
-$result_trees{'part_before_top'}[0]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'part_before_top'}[0]{'contents'}[1];
-$result_trees{'part_before_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_before_top'}[0];
-$result_trees{'part_before_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_before_top'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'part_before_top'}[0]{'contents'}[2];
-$result_trees{'part_before_top'}[0]{'contents'}[2]{'extra'}{'associated_part'} 
= $result_trees{'part_before_top'}[0]{'contents'}[1];
-$result_trees{'part_before_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_before_top'}[0];
-$result_trees{'part_before_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_top'}[0]{'contents'}[2];
-$result_trees{'part_before_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_top'}[0]{'contents'}[2];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'part_before_top'}[0]{'contents'}[0];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_before_top'}[0]{'contents'}[1] = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_before_top'}[0]{'contents'}[2] = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_before_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'part_before_top'} = '@part part
 
@@ -133,6 +135,18 @@ $result_sectioning{'part_before_top'} = {
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'level' => 0,
               'section_prev' => {},
               'section_up' => {}
@@ -141,6 +155,7 @@ $result_sectioning{'part_before_top'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -150,8 +165,12 @@ $result_sectioning{'part_before_top'} = {
   }
 };
 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_prev'}
 = $result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0];
 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_before_top'};
+$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_before_top'};
 $result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'part_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
 
@@ -183,12 +202,14 @@ $result_elements{'part_before_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -202,6 +223,8 @@ $result_elements{'part_before_top'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'part_before_top'}[0]{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_top'}[0];
+$result_elements{'part_before_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_before_top'}[0];
 $result_elements{'part_before_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_before_top'}[0]{'extra'}{'section'};
 $result_elements{'part_before_top'}[0]{'structure'}{'directions'}{'This'} = 
$result_elements{'part_before_top'}[0];
 
diff --git a/tp/t/results/sectioning/part_chapter_after_top.pl 
b/tp/t/results/sectioning/part_chapter_after_top.pl
index 98790a530d..3fef807b1f 100644
--- a/tp/t/results/sectioning/part_chapter_after_top.pl
+++ b/tp/t/results/sectioning/part_chapter_after_top.pl
@@ -10,392 +10,390 @@ $result_trees{'part_chapter_after_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'chapter',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' 
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chapter'
-            }
-          ],
-          'normalized' => 'chapter',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 10,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' 
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_chapter_after_top'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'part_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_chapter_after_top'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_chapter_after_top'}[0];
-$result_trees{'part_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'parent'} 
= $result_trees{'part_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'part_chapter_after_top'}[1];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'part_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'part_chapter_after_top'}[1];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'associated_part'}
 = $result_trees{'part_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_chapter_after_top'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'part_chapter_after_top'}[1];
-$result_trees{'part_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'part_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_chapter_after_top'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'part_chapter_after_top'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'associated_part'}
 = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[1] = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'contents'}[2] = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_chapter_after_top'}[1]{'contents'}[0] = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_chapter_after_top'}[1]{'contents'}[1] = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_chapter_after_top'}[1]{'contents'}[2] = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
 
 $result_texis{'part_chapter_after_top'} = '@node Top
 @top top
@@ -436,62 +434,128 @@ $result_sectioning{'part_chapter_after_top'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {},
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'part_chapter_after_top'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_chapter_after_top'};
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_chapter_after_top'};
+$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[1] 
= 
$result_sectioning{'part_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'part_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -502,6 +566,75 @@ $result_nodes{'part_chapter_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -524,42 +657,37 @@ $result_nodes{'part_chapter_after_top'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_chapter_after_top'};
-$result_nodes{'part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_chapter_after_top'};
-$result_nodes{'part_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'part_chapter_after_top'}{'structure'}{'menu_child'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_chapter_after_top'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_chapter_after_top'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_chapter_after_top'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_chapter_after_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'part_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -568,22 +696,110 @@ $result_menus{'part_chapter_after_top'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_chapter_after_top'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_chapter_after_top'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_chapter_after_top'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_menus{'part_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_chapter_after_top'} = [];
 
@@ -601,6 +817,7 @@ $result_elements{'part_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -608,6 +825,44 @@ $result_elements{'part_chapter_after_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
+                    'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -622,6 +877,7 @@ $result_elements{'part_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -629,42 +885,7 @@ $result_elements{'part_chapter_after_top'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -676,22 +897,27 @@ $result_elements{'part_chapter_after_top'} = [
   },
   {}
 ];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_chapter_after_top'}[0];
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'};
+$result_elements{'part_chapter_after_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_chapter_after_top'}[0];
 $result_elements{'part_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'section'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_chapter_after_top'}[0];
-$result_elements{'part_chapter_after_top'}[1] = 
$result_elements{'part_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_chapter_after_top'}[1] = 
$result_elements{'part_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/part_chapter_appendix.pl 
b/tp/t/results/sectioning/part_chapter_appendix.pl
index b95af5da32..577e143938 100644
--- a/tp/t/results/sectioning/part_chapter_appendix.pl
+++ b/tp/t/results/sectioning/part_chapter_appendix.pl
@@ -53,10 +53,7 @@ $result_trees{'part_chapter_appendix'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -93,11 +90,7 @@ $result_trees{'part_chapter_appendix'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -126,11 +119,7 @@ $result_trees{'part_chapter_appendix'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/part_node_after_top.pl 
b/tp/t/results/sectioning/part_node_after_top.pl
index ca66266599..f07a0e49d8 100644
--- a/tp/t/results/sectioning/part_node_after_top.pl
+++ b/tp/t/results/sectioning/part_node_after_top.pl
@@ -10,344 +10,344 @@ $result_trees{'part_node_after_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'part node after top'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'part node after top'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'part-node-after-top'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part node after top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'part-node-after-top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part node after top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+                'normalized' => 'part-node-after-top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'part-node-after-top'
+              'cmdname' => 'part',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'part-node-after-top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_node_after_top'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_node_after_top'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[3];
-$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_after_top'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'part_node_after_top'}[0];
-$result_trees{'part_node_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[1];
-$result_trees{'part_node_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_after_top'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'part_node_after_top'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_after_top'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'part_node_after_top'}[1];
-$result_trees{'part_node_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_after_top'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'part_node_after_top'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_node_after_top'}[0]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_after_top'}[0]{'contents'}[1] = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'contents'}[2] = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'contents'}[3] = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_after_top'}[1]{'contents'}[0] = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'part_node_after_top'} = '@node Top
 @top top
@@ -383,32 +383,89 @@ $result_sectioning{'part_node_after_top'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0,
+                            'section_prev' => {},
+                            'section_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
       },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_prev' => {},
-          'section_up' => {}
-        }
-      }
+      {}
     ]
   }
 };
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = $result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_after_top'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_after_top'};
-$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = $result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_after_top'};
+$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'part_node_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_nodes{'part_node_after_top'} = {
   'cmdname' => 'node',
@@ -419,6 +476,50 @@ $result_nodes{'part_node_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'section' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'Prev' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeBack' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -441,6 +542,7 @@ $result_nodes{'part_node_after_top'} = {
     }
   ],
   'structure' => {
+    'associated_unit' => {},
     'menu_child' => {
       'cmdname' => 'node',
       'extra' => {
@@ -448,6 +550,7 @@ $result_nodes{'part_node_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'node_prev' => {},
         'node_up' => {}
       }
@@ -455,6 +558,25 @@ $result_nodes{'part_node_after_top'} = {
     'node_next' => {}
   }
 };
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_after_top'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_after_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_after_top'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
 
$result_nodes{'part_node_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_after_top'};
 
$result_nodes{'part_node_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_after_top'};
 $result_nodes{'part_node_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_after_top'}{'structure'}{'menu_child'};
@@ -466,6 +588,59 @@ $result_menus{'part_node_after_top'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'section' => {
+                'cmdname' => 'part',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 0
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'Prev' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeBack' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
     'menu_child' => {
       'cmdname' => 'node',
       'extra' => {
@@ -473,6 +648,7 @@ $result_menus{'part_node_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'menu_up' => {},
         'menu_up_hash' => {
           'Top' => 1
@@ -481,6 +657,24 @@ $result_menus{'part_node_after_top'} = {
     }
   }
 };
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_after_top'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_after_top'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_after_top'}{'structure'}{'associated_unit'};
 
$result_menus{'part_node_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_after_top'};
 
 $result_errors{'part_node_after_top'} = [
@@ -518,6 +712,7 @@ $result_elements{'part_node_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -525,6 +720,7 @@ $result_elements{'part_node_after_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -539,6 +735,7 @@ $result_elements{'part_node_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -554,6 +751,7 @@ $result_elements{'part_node_after_top'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 0
               }
             },
@@ -581,8 +779,12 @@ $result_elements{'part_node_after_top'} = [
   },
   {}
 ];
+$result_elements{'part_node_after_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_after_top'}[0];
+$result_elements{'part_node_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_after_top'}[0];
 
$result_elements{'part_node_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_after_top'}[0]{'extra'}{'node'};
+$result_elements{'part_node_after_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_after_top'}[0];
 $result_elements{'part_node_after_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_after_top'}[0]{'extra'}{'section'};
+$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_after_top'}[0];
 
$result_elements{'part_node_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_after_top'}[0];
diff --git a/tp/t/results/sectioning/part_node_before_top.pl 
b/tp/t/results/sectioning/part_node_before_top.pl
index b31ee57f92..0ec70f322a 100644
--- a/tp/t/results/sectioning/part_node_before_top.pl
+++ b/tp/t/results/sectioning/part_node_before_top.pl
@@ -10,380 +10,384 @@ $result_trees{'part_node_before_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part node before top'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'part-node-before-top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'part-node-before-top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
+        'parent' => {
+          'contents' => [
+            {},
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 4,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part node before top'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
                 },
-                'parent' => {},
-                'text' => '
-',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'part node before top'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'part-node-before-top'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
+                  undef,
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'part-node-before-top'
+                    'normalized' => 'Top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'part-node-before-top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
               },
-              {
-                'args' => [
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 9,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 7,
-              'macro' => ''
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          }
-        ],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'part node before top'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'part-node-before-top'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 8,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 9,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 7,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                }
+              ],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[2]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_node_before_top'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[2];
-$result_trees{'part_node_before_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[2];
-$result_trees{'part_node_before_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_node_before_top'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[3];
-$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'part_node_before_top'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4]{'args'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'args'}[0]{'parent'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[4];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'extra'}{'associated_part'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[2];
-$result_trees{'part_node_before_top'}[0]{'contents'}[4]{'parent'} = 
$result_trees{'part_node_before_top'}[0];
-$result_trees{'part_node_before_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[3];
-$result_trees{'part_node_before_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4];
-$result_trees{'part_node_before_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_node_before_top'}[0]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_before_top'}[0]{'contents'}[1] = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_before_top'}[0]{'contents'}[2] = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_before_top'}[0]{'contents'}[3] = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_before_top'}[0]{'contents'}[4] = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_before_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_before_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_before_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'part_node_before_top'} = '@node part node before top, Top,,Top
 @part part
@@ -422,12 +426,30 @@ $result_sectioning{'part_node_before_top'} = {
                   'normalized' => 'Top',
                   'spaces_before_argument' => ' '
                 },
-                'structure' => {}
+                'structure' => {
+                  'associated_unit' => {
+                    'extra' => {
+                      'node' => {},
+                      'section' => {},
+                      'unit_command' => {}
+                    },
+                    'structure' => {
+                      'directions' => {
+                        'NodeBack' => {},
+                        'NodeForward' => {},
+                        'NodeNext' => {},
+                        'This' => {}
+                      }
+                    },
+                    'type' => 'unit'
+                  }
+                }
               },
               'associated_part' => {},
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0,
               'section_prev' => {},
               'section_up' => {}
@@ -436,6 +458,7 @@ $result_sectioning{'part_node_before_top'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -444,9 +467,18 @@ $result_sectioning{'part_node_before_top'} = {
     ]
   }
 };
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_prev'}
 = $result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0];
 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_before_top'};
+$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_before_top'};
 $result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'part_node_before_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
 
@@ -462,12 +494,29 @@ $result_nodes{'part_node_before_top'} = {
             'spaces_before_argument' => ' '
           },
           'structure' => {
+            'associated_unit' => {
+              'extra' => {
+                'node' => {},
+                'section' => {},
+                'unit_command' => {}
+              },
+              'structure' => {
+                'directions' => {
+                  'NodeBack' => {},
+                  'NodeForward' => {},
+                  'NodeNext' => {},
+                  'This' => {}
+                }
+              },
+              'type' => 'unit'
+            },
             'level' => 0
           }
         },
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'level' => 0
       }
     },
@@ -490,6 +539,7 @@ $result_nodes{'part_node_before_top'} = {
     }
   ],
   'structure' => {
+    'associated_unit' => {},
     'menu_child' => {
       'cmdname' => 'node',
       'extra' => {
@@ -497,6 +547,7 @@ $result_nodes{'part_node_before_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'node_next' => {},
         'node_prev' => {},
         'node_up' => {}
@@ -505,6 +556,16 @@ $result_nodes{'part_node_before_top'} = {
     'node_next' => {}
   }
 };
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_before_top'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_before_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_before_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_before_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
 
$result_nodes{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = $result_nodes{'part_node_before_top'};
 
$result_nodes{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_before_top'};
 
$result_nodes{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_before_top'};
@@ -517,6 +578,41 @@ $result_menus{'part_node_before_top'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'associated_part' => {
+              'cmdname' => 'part',
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'level' => 0
+              }
+            },
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'NodeBack' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    },
     'menu_child' => {
       'cmdname' => 'node',
       'extra' => {
@@ -524,6 +620,7 @@ $result_menus{'part_node_before_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'menu_up' => {},
         'menu_up_hash' => {
           'Top' => 1
@@ -532,6 +629,15 @@ $result_menus{'part_node_before_top'} = {
     }
   }
 };
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_before_top'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_before_top'}{'structure'}{'associated_unit'};
 
$result_menus{'part_node_before_top'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_before_top'};
 
 $result_errors{'part_node_before_top'} = [
@@ -569,6 +675,7 @@ $result_elements{'part_node_before_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -576,6 +683,7 @@ $result_elements{'part_node_before_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -593,12 +701,14 @@ $result_elements{'part_node_before_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -615,7 +725,11 @@ $result_elements{'part_node_before_top'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'part_node_before_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_before_top'}[0];
+$result_elements{'part_node_before_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_before_top'}[0];
 
$result_elements{'part_node_before_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_before_top'}[0]{'extra'}{'node'};
+$result_elements{'part_node_before_top'}[0]{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_before_top'}[0];
+$result_elements{'part_node_before_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_before_top'}[0];
 $result_elements{'part_node_before_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_before_top'}[0]{'extra'}{'section'};
 
$result_elements{'part_node_before_top'}[0]{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_before_top'}[0];
 
$result_elements{'part_node_before_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'part_node_before_top'}[0];
diff --git a/tp/t/results/sectioning/part_node_chapter_after_top.pl 
b/tp/t/results/sectioning/part_node_chapter_after_top.pl
index 639ef60620..98d6d9170b 100644
--- a/tp/t/results/sectioning/part_node_chapter_after_top.pl
+++ b/tp/t/results/sectioning/part_node_chapter_after_top.pl
@@ -10,640 +10,639 @@ $result_trees{'part_node_chapter_after_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'a node after part'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'a-node-after-part'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
+                  },
+                  'parent' => {}
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-                'type' => 'empty_line_after_command'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'a node after part'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'a node after part'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'After a node after part
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'a-node-after-part'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'chapter'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'a-node-after-part',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'a node after part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
+                  },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'a-node-after-part'
+                  },
+                  undef,
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'chapter',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 14,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' 
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 15,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'a node after part'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'After a node after part
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'a-node-after-part'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chapter'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'a-node-after-part',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'a node after part'
-              }
-            ],
-            'extra' => {
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-',
-              'spaces_before_argument' => ' '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'chapter'
-            },
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'a-node-after-part'
-            },
-            undef,
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'chapter',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 14,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' 
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 15,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[0];
-$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[2]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3]{'extra'}{'associated_part'}
 = $result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0];
-$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'part_node_chapter_after_top'}[1];
-$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2];
-$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3];
-$result_trees{'part_node_chapter_after_top'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'part_node_chapter_after_top'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[1] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[2] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[0] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[1] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[2] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[1]{'contents'}[3] = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_after_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_after_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
 
 $result_texis{'part_node_chapter_after_top'} = '@node Top
 @top top
@@ -691,62 +690,130 @@ $result_sectioning{'part_node_chapter_after_top'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {},
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_after_top'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_after_top'};
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_after_top'};
+$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_chapter_after_top'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'part_node_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -757,6 +824,88 @@ $result_nodes{'part_node_chapter_after_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 'a-node-after-part',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_next' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -779,55 +928,41 @@ $result_nodes{'part_node_chapter_after_top'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'a-node-after-part',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'normalized' => 'chapter',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}
 = $result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'};
-$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_after_top'};
-$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_after_top'};
-$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_after_top'};
-$result_nodes{'part_node_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_chapter_after_top'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_after_top'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_after_top'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_after_top'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_after_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'part_node_chapter_after_top'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_after_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
 
 $result_menus{'part_node_chapter_after_top'} = {
   'cmdname' => 'node',
@@ -836,38 +971,130 @@ $result_menus{'part_node_chapter_after_top'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'a-node-after-part',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'chapter',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_prev' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'a-node-after-part',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_next' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'menu_child'};
-$result_menus{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_after_top'};
-$result_menus{'part_node_chapter_after_top'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_after_top'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_chapter_after_top'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_after_top'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_after_top'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_after_top'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_chapter_after_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
 $result_errors{'part_node_chapter_after_top'} = [];
 
@@ -885,6 +1112,7 @@ $result_elements{'part_node_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -892,20 +1120,60 @@ $result_elements{'part_node_chapter_after_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter',
-                  'spaces_before_argument' => ' '
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'chapter',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'section' => {
+                    'cmdname' => 'chapter',
+                    'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
+                    }
+                  },
+                  'unit_command' => {}
                 },
                 'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodeUp' => {},
+                    'This' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -920,6 +1188,7 @@ $result_elements{'part_node_chapter_after_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -927,43 +1196,7 @@ $result_elements{'part_node_chapter_after_top'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -975,25 +1208,31 @@ $result_elements{'part_node_chapter_after_top'} = [
   },
   {}
 ];
-$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_after_top'}[0];
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_after_top'}[0];
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_after_top'}[0];
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_after_top'}[0];
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_after_top'}[0];
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'};
 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_after_top'}[0];
 $result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'section'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_after_top'}[0];
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_after_top'}[0];
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_after_top'}[0];
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_after_top'}[0];
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_chapter_after_top'}[0];
-$result_elements{'part_node_chapter_after_top'}[1] = 
$result_elements{'part_node_chapter_after_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_after_top'}[1] = 
$result_elements{'part_node_chapter_after_top'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/part_node_chapter_appendix.pl 
b/tp/t/results/sectioning/part_node_chapter_appendix.pl
index 38e0c96819..a634ef719f 100644
--- a/tp/t/results/sectioning/part_node_chapter_appendix.pl
+++ b/tp/t/results/sectioning/part_node_chapter_appendix.pl
@@ -10,451 +10,443 @@ $result_trees{'part_node_chapter_appendix'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Part 1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter-node'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'chapter-node',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
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 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[1] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[2] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_appendix'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_appendix'}[1]{'contents'}[0] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_appendix'}[1]{'contents'}[1] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_appendix'}[1]{'contents'}[2] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_appendix'}[1]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_appendix'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_appendix'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_appendix'}[2]{'contents'}[0] = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_appendix'}[2]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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$result_trees{'part_node_chapter_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
 
 $result_texis{'part_node_chapter_appendix'} = '@node Top
 @top top
@@ -500,80 +492,175 @@ $result_sectioning{'part_node_chapter_appendix'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
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-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {},
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'section' => {
+                                'cmdname' => 'appendix',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 'A',
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'Prev' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
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-        'cmdname' => 'appendix',
-        'extra' => {
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-        'structure' => {
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-          'number' => 'A',
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {},
-          'toplevel_up' => {}
-        }
-      }
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
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$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
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 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_appendix'};
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_appendix'};
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_appendix'};
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'part_node_chapter_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_nodes{'part_node_chapter_appendix'} = {
   'cmdname' => 'node',
@@ -584,6 +671,103 @@ $result_nodes{'part_node_chapter_appendix'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -606,42 +790,46 @@ $result_nodes{'part_node_chapter_appendix'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_chapter_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_appendix'};
-$result_nodes{'part_node_chapter_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_appendix'};
-$result_nodes{'part_node_chapter_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_appendix'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_chapter_appendix'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_appendix'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_appendix'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_appendix'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_appendix'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_chapter_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_node_chapter_appendix'} = {
   'cmdname' => 'node',
@@ -650,22 +838,147 @@ $result_menus{'part_node_chapter_appendix'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'appendix',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 'A'
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'Prev' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_chapter_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_appendix'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_chapter_appendix'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_appendix'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_appendix'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_chapter_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_node_chapter_appendix'} = [];
 
@@ -683,6 +996,7 @@ $result_elements{'part_node_chapter_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -690,65 +1004,28 @@ $result_elements{'part_node_chapter_appendix'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
+                  'node' => {},
                   'section' => {
-                    'cmdname' => 'appendix',
+                    'cmdname' => 'chapter',
                     'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 'A'
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -757,21 +1034,63 @@ $result_elements{'part_node_chapter_appendix'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
-                    'Prev' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
                     'This' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -784,29 +1103,35 @@ $result_elements{'part_node_chapter_appendix'} = [
   {},
   {}
 ];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_appendix'}[0];
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_appendix'}[0];
 $result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'section'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_chapter_appendix'}[0];
-$result_elements{'part_node_chapter_appendix'}[1] = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_appendix'}[2] = 
$result_elements{'part_node_chapter_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_appendix'}[1] = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_appendix'}[2] = 
$result_elements{'part_node_chapter_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/part_node_chapter_node_appendix.pl 
b/tp/t/results/sectioning/part_node_chapter_node_appendix.pl
index 876bbbc93f..4dacd1b890 100644
--- a/tp/t/results/sectioning/part_node_chapter_node_appendix.pl
+++ b/tp/t/results/sectioning/part_node_chapter_node_appendix.pl
@@ -10,567 +10,560 @@ $result_trees{'part_node_chapter_node_appendix'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'appendix node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'appendix-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Part 1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter-node'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'chapter-node',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
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-                        'parent' => {},
-                        'text' => 'appendix node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 12,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'appendix node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'appendix-node'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
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                 ],
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-                  'line_nr' => 7,
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-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
+                'normalized' => 'appendix-node',
+                'spaces_before_argument' => ' '
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 14,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
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-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Appendix'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'appendix',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 15,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
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-              {
-                'parent' => {},
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-            ],
-            'extra' => {
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 = 
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 = 
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= $result_trees{'part_node_chapter_node_appendix'}[0];
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 = 
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$result_trees{'part_node_chapter_node_appendix'}[2];
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-$result_trees{'part_node_chapter_node_appendix'}[2]{'extra'}{'section'} = 
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= $result_trees{'part_node_chapter_node_appendix'}[1];
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 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
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 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
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 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[1] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[2] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'contents'}[0] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'contents'}[1] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'contents'}[2] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'extra'}{'node'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'extra'}{'section'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_chapter_node_appendix'}[1]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_chapter_node_appendix'}[2]{'contents'}[1] = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'part_node_chapter_node_appendix'}[2]{'extra'}{'unit_command'} = 
$result_trees{'part_node_chapter_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
 
 $result_texis{'part_node_chapter_node_appendix'} = '@node Top
 @top top
@@ -619,88 +612,198 @@ $result_sectioning{'part_node_chapter_node_appendix'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
-            'extra' => {
-              'associated_node' => {
-                'cmdname' => 'node',
+            'structure' => {
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'chapter-node',
-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
                 },
-                'structure' => {}
-              },
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'part_associated_section' => {},
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0,
+                                'section_childs' => [
+                                  {}
+                                ],
+                                'section_prev' => {},
+                                'section_up' => {}
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'appendix-node',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'appendix',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 'A',
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodeBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'Prev' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
       },
-      {
-        'cmdname' => 'appendix',
-        'extra' => {
-          'associated_node' => {
-            'cmdname' => 'node',
-            'extra' => {
-              'normalized' => 'appendix-node',
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'number' => 'A',
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {},
-          'toplevel_up' => {}
-        }
-      }
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_node_appendix'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direc
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direct
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'di
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_node_appendix'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_node_appendix'};
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_node_appendix'};
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_chapter_node_appendix'};
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'part_node_chapter_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_nodes{'part_node_chapter_node_appendix'} = {
   'cmdname' => 'node',
@@ -711,6 +814,122 @@ $result_nodes{'part_node_chapter_node_appendix'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {
+                                'extra' => {
+                                  'node' => {},
+                                  'section' => {},
+                                  'unit_command' => {}
+                                },
+                                'structure' => {
+                                  'directions' => {
+                                    'Back' => {},
+                                    'FastBack' => {},
+                                    'NodeBack' => {},
+                                    'NodePrev' => {},
+                                    'NodeUp' => {},
+                                    'Prev' => {},
+                                    'This' => {}
+                                  },
+                                  'unit_prev' => {}
+                                },
+                                'type' => 'unit'
+                              },
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'normalized' => 'appendix-node',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -733,65 +952,56 @@ $result_nodes{'part_node_chapter_node_appendix'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'appendix',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 'A'
-              }
-            },
-            'normalized' => 'appendix-node',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'};
-$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_node_appendix'};
-$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_node_appendix'};
-$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_node_appendix'};
-$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_chapter_node_appendix'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'ass
 [...]
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}
 [...]
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'
 [...]
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_node_appendix'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_chapter_node_appendix'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_chapter_node_appendix'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_chapter_node_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_chapter_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_node_chapter_node_appendix'} = {
   'cmdname' => 'node',
@@ -800,38 +1010,177 @@ $result_menus{'part_node_chapter_node_appendix'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'appendix-node',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'appendix-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'Prev' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'};
-$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_node_appendix'};
-$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_node_appendix'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_chapter_node_appendix'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_node_appendix'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_chapter_node_appendix'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_chapter_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_node_chapter_node_appendix'} = [];
 
@@ -849,6 +1198,7 @@ $result_elements{'part_node_chapter_node_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -856,80 +1206,28 @@ $result_elements{'part_node_chapter_node_appendix'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'appendix-node',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
-                    'cmdname' => 'appendix',
+                    'cmdname' => 'chapter',
                     'extra' => {
+                      'associated_part' => {
+                        'cmdname' => 'part',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 0
+                        }
+                      },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 'A'
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -938,26 +1236,84 @@ $result_elements{'part_node_chapter_node_appendix'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'appendix-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
                     'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
                     'NodePrev' => {},
                     'NodeUp' => {},
-                    'Prev' => {},
                     'This' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -970,37 +1326,44 @@ $result_elements{'part_node_chapter_node_appendix'} = [
   {},
   {}
 ];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
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 = $result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'unit_command'} 
= $result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'section'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
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$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_chapter_node_appendix'}[0];
-$result_elements{'part_node_chapter_node_appendix'}[1] = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_chapter_node_appendix'}[2] = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_chapter_node_appendix'}[1] = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_chapter_node_appendix'}[2] = 
$result_elements{'part_node_chapter_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/part_node_node_part_appendix.pl 
b/tp/t/results/sectioning/part_node_node_part_appendix.pl
index da809c1ab9..4109f429b2 100644
--- a/tp/t/results/sectioning/part_node_node_part_appendix.pl
+++ b/tp/t/results/sectioning/part_node_node_part_appendix.pl
@@ -10,612 +10,604 @@ $result_trees{'part_node_node_part_appendix'} = [
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       {
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-        'type' => 'before_node_section'
-      },
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-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
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+                    'node_content' => [
+                      {}
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+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
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-        'cmdname' => 'node',
-        'contents' => [],
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-          'nodes_manuals' => [
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-          'spaces_before_argument' => ' '
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-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
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+                    {
+                      'parent' => {},
+                      'text' => 'top'
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+                  'extra' => {
+                    'spaces_after_argument' => '
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-            'parent' => {},
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-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
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+                }
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+              'cmdname' => 'top',
+              'contents' => [
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+                  'text' => '
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-          },
-          {
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-            'contents' => [
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+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
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+                  'contents' => [
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+                      'parent' => {},
+                      'text' => '
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-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
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-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
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+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
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+                            {
+                              'parent' => {},
+                              'text' => 'chapter node'
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+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
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+                          'type' => 'menu_entry_separator'
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+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
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+                          'node_content' => [
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+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'appendix part'
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+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
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+                          'contents' => [
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+                                  'text' => '
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+                                }
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+                              'parent' => {},
+                              'type' => 'preformatted'
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+                          'parent' => {},
+                          'type' => 'menu_entry_description'
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+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
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+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
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                   },
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-                        'text' => 'chapter node'
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-                    ],
-                    'parent' => {},
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 = 
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$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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 = $result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'};
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 = 
$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
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 = 
$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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 = 
$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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 = $result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'};
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 = 
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 = 
$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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 = 
$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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 = $result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'};
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$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
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$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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 $result_texis{'part_node_node_part_appendix'} = '@node Top
 @top top
@@ -653,121 +645,231 @@ Part Appendix
 *************
 
 Appendix A Appendix
-*******************
-';
-
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+*******************
+';
+
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
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$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
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+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_node_part_appendix'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
 [...]
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_node_part_appendix'};
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_node_part_appendix'};
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_node_part_appendix'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'part_node_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'part_node_node_part_appendix'} = {
   'cmdname' => 'node',
@@ -778,6 +880,131 @@ $result_nodes{'part_node_node_part_appendix'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {
+                                    'extra' => {
+                                      'node' => {},
+                                      'section' => {},
+                                      'unit_command' => {}
+                                    },
+                                    'structure' => {
+                                      'directions' => {
+                                        'Back' => {},
+                                        'FastBack' => {},
+                                        'NodeBack' => {},
+                                        'NodePrev' => {},
+                                        'NodeUp' => {},
+                                        'This' => {}
+                                      },
+                                      'unit_prev' => {}
+                                    },
+                                    'type' => 'unit'
+                                  },
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'normalized' => 'appendix-part',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -800,74 +1027,56 @@ $result_nodes{'part_node_node_part_appendix'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'appendix',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 'A'
-              }
-            },
-            'normalized' => 'appendix-part',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'};
-$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_node_part_appendix'};
-$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_node_part_appendix'};
-$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_node_part_appendix'};
-$result_nodes{'part_node_node_part_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_node_part_appendix'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'nod
 [...]
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}
 [...]
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 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'
 [...]
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_node_part_appendix'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_node_part_appendix'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_node_part_appendix'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_node_part_appendix'}{'structure'}{'associated_unit'} 
= 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_node_part_appendix'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_node_part_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_node_node_part_appendix'} = {
   'cmdname' => 'node',
@@ -876,38 +1085,186 @@ $result_menus{'part_node_node_part_appendix'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'appendix-part',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'appendix-part',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'part_node_node_part_appendix'}{'structure'}{'menu_child'};
-$result_menus{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_node_part_appendix'};
-$result_menus{'part_node_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_node_part_appendix'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_node_part_appendix'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_node_part_appendix'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_node_part_appendix'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_node_part_appendix'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_node_node_part_appendix'} = [
   {
@@ -935,6 +1292,7 @@ $result_elements{'part_node_node_part_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -942,74 +1300,11 @@ $result_elements{'part_node_node_part_appendix'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'appendix-part',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
-                    'cmdname' => 'appendix',
+                    'cmdname' => 'chapter',
                     'extra' => {
                       'associated_part' => {
                         'cmdname' => 'part',
@@ -1017,14 +1312,16 @@ $result_elements{'part_node_node_part_appendix'} = [
                           'spaces_before_argument' => ' '
                         },
                         'structure' => {
+                          'associated_unit' => {},
                           'level' => 0
                         }
                       },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 'A'
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -1033,7 +1330,62 @@ $result_elements{'part_node_node_part_appendix'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'appendix-part',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
                     'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
                     'NodePrev' => {},
                     'NodeUp' => {},
                     'This' => {}
@@ -1041,17 +1393,30 @@ $result_elements{'part_node_node_part_appendix'} = [
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -1064,36 +1429,44 @@ $result_elements{'part_node_node_part_appendix'} = [
   {},
   {}
 ];
-$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_node_part_appendix'}[0];
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_node_part_appendix'}[0];
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_node_part_appendix'}[0];
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_node_part_appendix'}[0];
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 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_node_part_appendix'}[0];
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
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$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
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$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
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+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
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+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
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$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_node_part_appendix'}[0];
 $result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'section'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
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$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_node_part_appendix'}[0];
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_node_part_appendix'}[0];
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
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$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
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$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_node_part_appendix'}[0];
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_node_part_appendix'}[0];
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
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-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_node_part_appendix'}[0];
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$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_node_part_appendix'}[2] = 
$result_elements{'part_node_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_node_part_appendix'}[1] = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_node_part_appendix'}[2] = 
$result_elements{'part_node_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/part_node_part_appendix.pl 
b/tp/t/results/sectioning/part_node_part_appendix.pl
index da23d03e91..07c31d2ccc 100644
--- a/tp/t/results/sectioning/part_node_part_appendix.pl
+++ b/tp/t/results/sectioning/part_node_part_appendix.pl
@@ -10,496 +10,487 @@ $result_trees{'part_node_part_appendix'} = [
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       {
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-      },
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-              {
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-                'text' => 'Top'
-              }
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-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
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+            {},
+            {
+              'args' => [
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+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
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+                    'node_content' => [
+                      {}
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+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
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             {
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-              {
-                'parent' => {},
-                'text' => 'top'
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-            ],
-            'extra' => {
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+              'args' => [
+                {
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-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
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+              'contents' => [
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-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
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                 },
-                'parent' => {},
-                'text' => '
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+                  'contents' => [
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-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
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+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
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+                              'text' => 'chapter node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
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+                        {
+                          'parent' => {},
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+                          'type' => 'menu_entry_separator'
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+                            {
+                              'contents' => [
+                                {
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+                                  'text' => '
+'
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+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
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+                    },
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+                      'args' => [
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+'
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+                  'line_nr' => {
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-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
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+                  'parent' => {},
+                  'text' => '
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+                  'type' => 'empty_line'
+                }
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+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Part 1'
+                    }
+                  ],
+                  'extra' => {
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+'
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-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
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-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
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+',
+                  'type' => 'empty_line'
+                }
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+              'extra' => {
+                'spaces_before_argument' => ' '
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+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
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-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
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+              'contents' => [],
+              'extra' => {
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                 ],
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-                  'menu_entry_node' => {
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                     'node_content' => [
                       {}
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                     'normalized' => 'chapter-node'
                   }
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-          },
-          {
-            'parent' => {},
-            'text' => '
+            {
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+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Part Appendix'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
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+                  'parent' => {},
+                  'type' => 'line_arg'
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+              'contents' => [
+                {
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 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
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 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'extra'}{'associated_part'}
 = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'};
+$result_trees{'part_node_part_appendix'}[0]{'contents'}[1] = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'extra'}{'node'} = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'part_node_part_appendix'}[0]{'extra'}{'section'} = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'part_node_part_appendix'}[0]{'extra'}{'unit_command'} = 
$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'part_node_part_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
 
 $result_texis{'part_node_part_appendix'} = '@node Top
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@@ -550,97 +541,192 @@ $result_sectioning{'part_node_part_appendix'} = {
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               'spaces_before_argument' => ' '
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-          'part_associated_section' => {
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-            'extra' => {
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+            'structure' => {
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                 'extra' => {
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-                  'spaces_before_argument' => ' '
+                  'node' => {},
+                  'section' => {},
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                 },
-                'structure' => {}
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-              'spaces_before_argument' => ' '
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-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
+                'structure' => {
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+                          'extra' => {
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+                            'spaces_before_argument' => ' '
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+                                'section_childs' => [
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+                          'FastForward' => {
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+                                'extra' => {
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+                                'FastBack' => {},
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   }
 };
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 = 
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
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$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{
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+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'str
 [...]
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'s
 [...]
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'
 [...]
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_appendix'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForwa
 [...]
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_appendix'};
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_appendix'};
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_appendix'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'part_node_part_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'part_node_part_appendix'} = {
   'cmdname' => 'node',
@@ -651,6 +737,112 @@ $result_nodes{'part_node_part_appendix'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -673,42 +865,46 @@ $result_nodes{'part_node_part_appendix'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_part_appendix'};
-$result_nodes{'part_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_appendix'};
-$result_nodes{'part_node_part_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_part_appendix'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_part_appendix'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_part_appendix'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_appendix'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_appendix'}{'structure'}{'associated_unit'} = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_appendix'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_part_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_part_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_node_part_appendix'} = {
   'cmdname' => 'node',
@@ -717,22 +913,156 @@ $result_menus{'part_node_part_appendix'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'appendix',
+                      'extra' => {
+                        'associated_part' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0
+                          }
+                        },
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 'A'
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_part_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_appendix'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_part_appendix'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_appendix'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_appendix'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_part_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_node_part_appendix'} = [];
 
@@ -750,6 +1080,7 @@ $result_elements{'part_node_part_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -757,59 +1088,11 @@ $result_elements{'part_node_part_appendix'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
+                  'node' => {},
                   'section' => {
-                    'cmdname' => 'appendix',
+                    'cmdname' => 'chapter',
                     'extra' => {
                       'associated_part' => {
                         'cmdname' => 'part',
@@ -817,14 +1100,16 @@ $result_elements{'part_node_part_appendix'} = [
                           'spaces_before_argument' => ' '
                         },
                         'structure' => {
+                          'associated_unit' => {},
                           'level' => 0
                         }
                       },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 'A'
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -833,20 +1118,72 @@ $result_elements{'part_node_part_appendix'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
                     'This' => {}
                   }
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -859,28 +1196,35 @@ $result_elements{'part_node_part_appendix'} = [
   {},
   {}
 ];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_appendix'}[0];
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_part_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_part_appendix'}[0];
 $result_elements{'part_node_part_appendix'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'section'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_part_appendix'}[0];
-$result_elements{'part_node_part_appendix'}[1] = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_appendix'}[2] = 
$result_elements{'part_node_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_appendix'}[1] = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_appendix'}[2] = 
$result_elements{'part_node_part_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/part_node_part_node_appendix.pl 
b/tp/t/results/sectioning/part_node_part_node_appendix.pl
index e8ba7e519f..aca62392d9 100644
--- a/tp/t/results/sectioning/part_node_part_node_appendix.pl
+++ b/tp/t/results/sectioning/part_node_part_node_appendix.pl
@@ -10,612 +10,604 @@ $result_trees{'part_node_part_node_appendix'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'appendix node'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'appendix-node'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter node'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Part 1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter node'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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 = 
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
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 = 
$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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 = $result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'};
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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$result_trees{'part_node_part_node_appendix'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
 
 $result_texis{'part_node_part_node_appendix'} = '@node Top
 @top top
@@ -653,121 +645,231 @@ Part Appendix
 *************
 
 Appendix A Appendix
-*******************
-';
-
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+*******************
+';
+
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
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 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Fast
 [...]
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForw
 [...]
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward
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 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
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+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
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+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
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$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'
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+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_node_appendix'};
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_node_appendix'};
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'extra'}{'part_associated_section'};
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'part_node_part_node_appendix'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'part_node_part_node_appendix'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_nodes{'part_node_part_node_appendix'} = {
   'cmdname' => 'node',
@@ -778,6 +880,131 @@ $result_nodes{'part_node_part_node_appendix'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'associated_part' => {
+                            'cmdname' => 'part',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 0
+                            }
+                          },
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'associated_section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {
+                                    'extra' => {
+                                      'node' => {},
+                                      'section' => {},
+                                      'unit_command' => {}
+                                    },
+                                    'structure' => {
+                                      'directions' => {
+                                        'Back' => {},
+                                        'FastBack' => {},
+                                        'NodeBack' => {},
+                                        'NodePrev' => {},
+                                        'NodeUp' => {},
+                                        'This' => {}
+                                      },
+                                      'unit_prev' => {}
+                                    },
+                                    'type' => 'unit'
+                                  },
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'normalized' => 'appendix-node',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -800,74 +1027,56 @@ $result_nodes{'part_node_part_node_appendix'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'associated_part' => {
-              'cmdname' => 'part',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 0
-              }
-            },
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'associated_section' => {
-              'cmdname' => 'appendix',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 'A'
-              }
-            },
-            'normalized' => 'appendix-node',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'};
-$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_node_appendix'};
-$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_part_node_appendix'};
-$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_node_appendix'};
-$result_nodes{'part_node_part_node_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'part_node_part_node_appendix'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'nod
 [...]
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}
 [...]
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$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'s
 [...]
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}
 [...]
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 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'
 [...]
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_node_appendix'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'part_node_part_node_appendix'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'part_node_part_node_appendix'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'part_node_part_node_appendix'}{'structure'}{'associated_unit'} 
= 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'part_node_part_node_appendix'}{'structure'}{'menu_child'} = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'part_node_part_node_appendix'}{'structure'}{'node_next'} = 
$result_nodes{'part_node_part_node_appendix'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'part_node_part_node_appendix'} = {
   'cmdname' => 'node',
@@ -876,38 +1085,186 @@ $result_menus{'part_node_part_node_appendix'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-node',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'appendix-node',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
+            'associated_unit' => {},
+            'level' => 0
           }
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-node',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'appendix-node',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'section' => {
+                            'cmdname' => 'appendix',
+                            'extra' => {
+                              'associated_part' => {
+                                'cmdname' => 'part',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 0
+                                }
+                              },
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 'A'
+                            }
+                          },
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'NodeBack' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_part' => {
+                    'cmdname' => 'part',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'part_node_part_node_appendix'}{'structure'}{'menu_child'};
-$result_menus{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_node_appendix'};
-$result_menus{'part_node_part_node_appendix'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_node_appendix'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'part_node_part_node_appendix'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
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 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
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 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
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 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_node_appendix'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'part_node_part_node_appendix'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'part_node_part_node_appendix'}{'structure'}{'menu_child'} = 
$result_menus{'part_node_part_node_appendix'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'part_node_part_node_appendix'} = [];
 
@@ -925,6 +1282,7 @@ $result_elements{'part_node_part_node_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -932,74 +1290,11 @@ $result_elements{'part_node_part_node_appendix'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'appendix-node',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'section' => {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 0
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_part' => {
-                  'cmdname' => 'part',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 0
-                  }
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'section' => {
-                    'cmdname' => 'appendix',
+                    'cmdname' => 'chapter',
                     'extra' => {
                       'associated_part' => {
                         'cmdname' => 'part',
@@ -1007,14 +1302,16 @@ $result_elements{'part_node_part_node_appendix'} = [
                           'spaces_before_argument' => ' '
                         },
                         'structure' => {
+                          'associated_unit' => {},
                           'level' => 0
                         }
                       },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
-                      'number' => 'A'
+                      'number' => 1
                     }
                   },
                   'unit_command' => {}
@@ -1023,7 +1320,62 @@ $result_elements{'part_node_part_node_appendix'} = [
                   'directions' => {
                     'Back' => {},
                     'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'appendix-node',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'appendix',
+                          'extra' => {
+                            'associated_part' => {
+                              'cmdname' => 'part',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 0
+                              }
+                            },
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 'A'
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
                     'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
                     'NodePrev' => {},
                     'NodeUp' => {},
                     'This' => {}
@@ -1031,17 +1383,30 @@ $result_elements{'part_node_part_node_appendix'} = [
                 },
                 'type' => 'unit'
               },
-              'Forward' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
+          }
+        }
+      },
+      'section' => {
+        'cmdname' => 'top',
+        'extra' => {
+          'spaces_before_argument' => ' '
         },
+        'structure' => {
+          'associated_unit' => {},
+          'level' => 0
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'FastForward' => {},
         'Forward' => {},
         'Next' => {},
         'NodeForward' => {},
@@ -1054,36 +1419,44 @@ $result_elements{'part_node_part_node_appendix'} = [
   {},
   {}
 ];
-$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_node_appendix'}[0];
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'};
+$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'part_node_part_node_appendix'}[0];
 $result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'unit_command'} = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'section'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'part_node_part_node_appendix'}[0];
-$result_elements{'part_node_part_node_appendix'}[1] = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'part_node_part_node_appendix'}[2] = 
$result_elements{'part_node_part_node_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'part_node_part_node_appendix'}[1] = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'part_node_part_node_appendix'}[2] = 
$result_elements{'part_node_part_node_appendix'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/placed_things_before_element.pl 
b/tp/t/results/sectioning/placed_things_before_element.pl
index 0d5bfc2436..0064663c7b 100644
--- a/tp/t/results/sectioning/placed_things_before_element.pl
+++ b/tp/t/results/sectioning/placed_things_before_element.pl
@@ -377,10 +377,7 @@ $result_trees{'placed_things_before_element'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -741,11 +738,7 @@ $result_trees{'placed_things_before_element'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/placed_things_before_node.pl 
b/tp/t/results/sectioning/placed_things_before_node.pl
index ac6f2ffc31..a0a5211863 100644
--- a/tp/t/results/sectioning/placed_things_before_node.pl
+++ b/tp/t/results/sectioning/placed_things_before_node.pl
@@ -377,10 +377,7 @@ $result_trees{'placed_things_before_node'} = {
             'line_nr' => 17,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -646,8 +643,7 @@ $result_trees{'placed_things_before_node'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -783,10 +779,7 @@ $result_trees{'placed_things_before_node'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -991,8 +984,7 @@ $result_sectioning{'placed_things_before_node'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -1020,8 +1012,7 @@ $result_nodes{'placed_things_before_node'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'placed_things_before_node'} = {
@@ -1029,8 +1020,7 @@ $result_menus{'placed_things_before_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'placed_things_before_node'} = [
diff --git a/tp/t/results/sectioning/protected_node_parentheses.pl 
b/tp/t/results/sectioning/protected_node_parentheses.pl
index 89dee59f07..f95a61dfd0 100644
--- a/tp/t/results/sectioning/protected_node_parentheses.pl
+++ b/tp/t/results/sectioning/protected_node_parentheses.pl
@@ -58,8 +58,7 @@ $result_trees{'protected_node_parentheses'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -234,10 +233,7 @@ $result_trees{'protected_node_parentheses'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,8 +433,7 @@ $result_trees{'protected_node_parentheses'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/raiselowersections.pl 
b/tp/t/results/sectioning/raiselowersections.pl
index 89d79696db..7129e143b4 100644
--- a/tp/t/results/sectioning/raiselowersections.pl
+++ b/tp/t/results/sectioning/raiselowersections.pl
@@ -86,8 +86,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -283,10 +282,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -327,8 +323,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -568,11 +563,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -613,8 +604,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -767,11 +757,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -812,8 +798,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -966,11 +951,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1011,8 +992,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 26,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1097,11 +1077,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1142,8 +1118,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 30,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1213,11 +1188,7 @@ $result_trees{'raiselowersections'} = {
         'line_nr' => 31,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/rec_nodes.pl 
b/tp/t/results/sectioning/rec_nodes.pl
index e095ab7ef2..705a0c232c 100644
--- a/tp/t/results/sectioning/rec_nodes.pl
+++ b/tp/t/results/sectioning/rec_nodes.pl
@@ -242,8 +242,7 @@ $result_trees{'rec_nodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -502,8 +501,7 @@ $result_trees{'rec_nodes'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -695,8 +693,7 @@ $result_trees{'rec_nodes'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -899,8 +896,7 @@ $result_trees{'rec_nodes'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1097,8 +1093,7 @@ $result_trees{'rec_nodes'} = {
         'line_nr' => 29,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/ref_to_top.pl 
b/tp/t/results/sectioning/ref_to_top.pl
index a0cf24978f..d7050a215b 100644
--- a/tp/t/results/sectioning/ref_to_top.pl
+++ b/tp/t/results/sectioning/ref_to_top.pl
@@ -58,8 +58,7 @@ $result_trees{'ref_to_top'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -137,10 +136,7 @@ $result_trees{'ref_to_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -191,8 +187,7 @@ $result_sectioning{'ref_to_top'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -220,8 +215,7 @@ $result_nodes{'ref_to_top'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'ref_to_top'} = {
@@ -229,8 +223,7 @@ $result_menus{'ref_to_top'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'ref_to_top'} = [
diff --git a/tp/t/results/sectioning/section_before_after_top_node.pl 
b/tp/t/results/sectioning/section_before_after_top_node.pl
index 17b96f0e3d..f41e1c1942 100644
--- a/tp/t/results/sectioning/section_before_after_top_node.pl
+++ b/tp/t/results/sectioning/section_before_after_top_node.pl
@@ -82,10 +82,7 @@ $result_trees{'section_before_after_top_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -126,8 +123,7 @@ $result_trees{'section_before_after_top_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -163,10 +159,7 @@ $result_trees{'section_before_after_top_node'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -213,11 +206,7 @@ $result_trees{'section_before_after_top_node'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -295,8 +284,7 @@ $result_sectioning{'section_before_after_top_node'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -347,8 +335,7 @@ $result_nodes{'section_before_after_top_node'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'section_before_after_top_node'} = {
@@ -356,8 +343,7 @@ $result_menus{'section_before_after_top_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'section_before_after_top_node'} = [
diff --git a/tp/t/results/sectioning/section_before_after_top_node_last_node.pl 
b/tp/t/results/sectioning/section_before_after_top_node_last_node.pl
index d031620be3..683db5c865 100644
--- a/tp/t/results/sectioning/section_before_after_top_node_last_node.pl
+++ b/tp/t/results/sectioning/section_before_after_top_node_last_node.pl
@@ -82,10 +82,7 @@ $result_trees{'section_before_after_top_node_last_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -126,8 +123,7 @@ $result_trees{'section_before_after_top_node_last_node'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -163,10 +159,7 @@ $result_trees{'section_before_after_top_node_last_node'} = 
{
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -219,11 +212,7 @@ $result_trees{'section_before_after_top_node_last_node'} = 
{
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -264,8 +253,7 @@ $result_trees{'section_before_after_top_node_last_node'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_before_chapter.pl 
b/tp/t/results/sectioning/section_before_chapter.pl
index 557596b6bc..a5edab69c9 100644
--- a/tp/t/results/sectioning/section_before_chapter.pl
+++ b/tp/t/results/sectioning/section_before_chapter.pl
@@ -46,11 +46,7 @@ $result_trees{'section_before_chapter'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -79,11 +75,7 @@ $result_trees{'section_before_chapter'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_before_part.pl 
b/tp/t/results/sectioning/section_before_part.pl
index 347cd73ae2..542bd8194f 100644
--- a/tp/t/results/sectioning/section_before_part.pl
+++ b/tp/t/results/sectioning/section_before_part.pl
@@ -46,11 +46,7 @@ $result_trees{'section_before_part'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -103,10 +99,7 @@ $result_trees{'section_before_part'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_before_top.pl 
b/tp/t/results/sectioning/section_before_top.pl
index 0162153d2d..5fe215d66b 100644
--- a/tp/t/results/sectioning/section_before_top.pl
+++ b/tp/t/results/sectioning/section_before_top.pl
@@ -79,8 +79,7 @@ $result_trees{'section_before_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -116,11 +115,7 @@ $result_trees{'section_before_top'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -161,8 +156,7 @@ $result_trees{'section_before_top'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -308,10 +302,7 @@ $result_trees{'section_before_top'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_before_top_no_node.pl 
b/tp/t/results/sectioning/section_before_top_no_node.pl
index 9d99a37268..70e751500a 100644
--- a/tp/t/results/sectioning/section_before_top_no_node.pl
+++ b/tp/t/results/sectioning/section_before_top_no_node.pl
@@ -46,11 +46,7 @@ $result_trees{'section_before_top_no_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -79,10 +75,7 @@ $result_trees{'section_before_top_no_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_below_unnumbered.pl 
b/tp/t/results/sectioning/section_below_unnumbered.pl
index 53d7be904b..5982357d0f 100644
--- a/tp/t/results/sectioning/section_below_unnumbered.pl
+++ b/tp/t/results/sectioning/section_below_unnumbered.pl
@@ -81,8 +81,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -257,10 +256,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -301,8 +297,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -454,10 +449,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -498,8 +490,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -552,10 +543,7 @@ $result_trees{'section_below_unnumbered'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/sectioning/section_below_unnumbered_no_top.pl 
b/tp/t/results/sectioning/section_below_unnumbered_no_top.pl
index 8d404b135f..6687a95acb 100644
--- a/tp/t/results/sectioning/section_below_unnumbered_no_top.pl
+++ b/tp/t/results/sectioning/section_below_unnumbered_no_top.pl
@@ -39,10 +39,7 @@ $result_trees{'section_below_unnumbered_no_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -71,10 +68,7 @@ $result_trees{'section_below_unnumbered_no_top'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_chapter_before_top.pl 
b/tp/t/results/sectioning/section_chapter_before_top.pl
index cb4aa8f59c..1b5eef0e98 100644
--- a/tp/t/results/sectioning/section_chapter_before_top.pl
+++ b/tp/t/results/sectioning/section_chapter_before_top.pl
@@ -46,11 +46,7 @@ $result_trees{'section_chapter_before_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -86,11 +82,7 @@ $result_trees{'section_chapter_before_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -119,10 +111,7 @@ $result_trees{'section_chapter_before_top'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_chapter_before_top_nodes.pl 
b/tp/t/results/sectioning/section_chapter_before_top_nodes.pl
index cb38c7b097..c4b6d91a41 100644
--- a/tp/t/results/sectioning/section_chapter_before_top_nodes.pl
+++ b/tp/t/results/sectioning/section_chapter_before_top_nodes.pl
@@ -87,8 +87,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,11 +123,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -169,8 +164,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -322,11 +316,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -367,8 +357,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -520,10 +509,7 @@ $result_trees{'section_chapter_before_top_nodes'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_in_unnumbered_info.pl 
b/tp/t/results/sectioning/section_in_unnumbered_info.pl
index 02b1bfbe4a..c77fae77f0 100644
--- a/tp/t/results/sectioning/section_in_unnumbered_info.pl
+++ b/tp/t/results/sectioning/section_in_unnumbered_info.pl
@@ -58,8 +58,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -479,10 +478,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -523,8 +519,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -676,11 +671,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -721,8 +712,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -758,11 +748,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -803,8 +789,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -956,10 +941,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1000,8 +982,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1037,10 +1018,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1081,8 +1059,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1291,11 +1268,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1336,8 +1309,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 45,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1660,10 +1632,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1704,8 +1673,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 55,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1741,10 +1709,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1785,8 +1750,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1822,10 +1786,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1866,8 +1827,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1903,10 +1863,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1947,8 +1904,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1984,10 +1940,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2028,8 +1981,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2181,10 +2133,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2225,8 +2174,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2268,10 +2216,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 75,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2312,8 +2257,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 78,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2693,11 +2637,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 79,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2738,8 +2678,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 89,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3062,10 +3001,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 90,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3106,8 +3042,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3143,10 +3078,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3187,8 +3119,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 102,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3224,10 +3155,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 103,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3268,8 +3196,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 105,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3305,10 +3232,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 106,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3349,8 +3273,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 108,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3386,10 +3309,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 109,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3430,8 +3350,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 111,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3467,11 +3386,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3512,8 +3427,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 114,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3665,10 +3579,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 115,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3709,8 +3620,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 121,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3746,10 +3656,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 122,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3790,8 +3697,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 124,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3943,11 +3849,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 125,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3988,8 +3890,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 131,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4025,11 +3926,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 132,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '3.2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4070,8 +3967,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 134,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4223,10 +4119,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 135,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4267,8 +4160,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 141,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4304,10 +4196,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 142,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4348,8 +4237,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 144,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4501,10 +4389,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 145,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4545,8 +4430,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 151,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4869,10 +4753,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 152,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4913,8 +4794,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 161,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4950,10 +4830,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 162,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4994,8 +4871,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 164,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5031,10 +4907,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 165,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5075,8 +4948,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 167,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5112,10 +4984,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 168,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5156,8 +5025,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 170,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5186,10 +5054,7 @@ $result_trees{'section_in_unnumbered_info'} = {
         'line_nr' => 171,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_in_unnumbered_plaintext.pl 
b/tp/t/results/sectioning/section_in_unnumbered_plaintext.pl
index b71fa388f6..8b0e22f8e5 100644
--- a/tp/t/results/sectioning/section_in_unnumbered_plaintext.pl
+++ b/tp/t/results/sectioning/section_in_unnumbered_plaintext.pl
@@ -58,8 +58,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -479,10 +478,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -523,8 +519,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -676,11 +671,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 18,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -721,8 +712,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 24,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -758,11 +748,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 25,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -803,8 +789,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 27,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -956,10 +941,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 28,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1000,8 +982,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 34,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1037,10 +1018,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 35,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1081,8 +1059,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 37,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1291,11 +1268,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 38,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1336,8 +1309,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 45,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1660,10 +1632,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 46,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1704,8 +1673,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 55,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1741,10 +1709,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 56,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1785,8 +1750,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 58,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1822,10 +1786,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 59,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1866,8 +1827,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 61,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1903,10 +1863,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 62,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1947,8 +1904,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 64,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1984,10 +1940,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 65,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2028,8 +1981,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 67,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2181,10 +2133,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 68,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2225,8 +2174,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 74,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2268,10 +2216,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 75,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2312,8 +2257,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 78,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2693,11 +2637,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 79,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -2738,8 +2678,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 89,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3062,10 +3001,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 90,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3106,8 +3042,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 99,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3143,10 +3078,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 100,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3187,8 +3119,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 102,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3224,10 +3155,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 103,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3268,8 +3196,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 105,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3305,10 +3232,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 106,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3349,8 +3273,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 108,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3386,10 +3309,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 109,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3430,8 +3350,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 111,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3467,11 +3386,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 112,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3512,8 +3427,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 114,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3665,10 +3579,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 115,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3709,8 +3620,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 121,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3746,10 +3656,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 122,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3790,8 +3697,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 124,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -3943,11 +3849,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 125,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '3.2'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -3988,8 +3890,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 131,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4025,11 +3926,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 132,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '3.2.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4070,8 +3967,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 134,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4223,10 +4119,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 135,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4267,8 +4160,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 141,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4304,10 +4196,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 142,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4348,8 +4237,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 144,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4501,10 +4389,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 145,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4545,8 +4430,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 151,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4869,10 +4753,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 152,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4913,8 +4794,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 161,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -4950,10 +4830,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 162,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -4994,8 +4871,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 164,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5031,10 +4907,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 165,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5075,8 +4948,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 167,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5112,10 +4984,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 168,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -5156,8 +5025,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 170,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -5186,10 +5054,7 @@ $result_trees{'section_in_unnumbered_plaintext'} = {
         'line_nr' => 171,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/section_node_before_part.pl 
b/tp/t/results/sectioning/section_node_before_part.pl
index 7e9a26a218..95a9677c3a 100644
--- a/tp/t/results/sectioning/section_node_before_part.pl
+++ b/tp/t/results/sectioning/section_node_before_part.pl
@@ -58,8 +58,7 @@ $result_trees{'section_node_before_part'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -95,11 +94,7 @@ $result_trees{'section_node_before_part'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -128,10 +123,7 @@ $result_trees{'section_node_before_part'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -179,8 +171,7 @@ $result_sectioning{'section_node_before_part'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -221,8 +212,7 @@ $result_nodes{'section_node_before_part'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'section_node_before_part'} = {
@@ -230,8 +220,7 @@ $result_menus{'section_node_before_part'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'section_node_before_part'} = [
diff --git a/tp/t/results/sectioning/sectioning_part_appendix.pl 
b/tp/t/results/sectioning/sectioning_part_appendix.pl
index d9cfa6847d..108972dd1d 100644
--- a/tp/t/results/sectioning/sectioning_part_appendix.pl
+++ b/tp/t/results/sectioning/sectioning_part_appendix.pl
@@ -10,631 +10,580 @@ $result_trees{'sectioning_part_appendix'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'section',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'subsection'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'subsection',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 7,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'subsubsection'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'subsubsection',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter in part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second chapter in part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 15,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 17,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'appendix'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'appendix',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 19,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'appendixsec'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'appendixsec',
+              'contents' => [],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 21,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'section',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 2,
-          'number' => '1.1'
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'subsection'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'subsection',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 7,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 3,
-          'number' => '1.1.1'
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'subsubsection'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'subsubsection',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 4,
-          'number' => '1.1.1.1'
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
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-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure
 [...]
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 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'
 [...]
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 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}
 [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_chil 
[...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'section [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'struct [...]
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 = [...]
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 = $r [...]
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 = $res [...]
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 = $ [...]
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 = $re [...]
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 = $result_sectioning{'sectio [...]
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 = $result_sectioni [...]
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 = $result_sect [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 [...]
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 = $result_sectioni [...]
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 = $result_sectioning [...]
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 = $result_sectioning{'secti [...]
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 = $result_sectioning{'secti [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structu [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{ [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'sectio [...]
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 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'sectio [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'a
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'ass
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extr
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'e
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_chil 
[...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'section [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'sectioning_part_appendix'}{'struct [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = $result_sectioning{'sectioning_part_appendix'}{'str [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = $result_sectioning{'sectioning_part_appendix'}{'structu [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure' [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{ [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'sectio [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = $result_sectioning{'sectioning_part_appendix'}{'structure'}{'sectio [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'ass
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'direct
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'sect
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'struc
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'struc
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'s
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'stru
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'struc
 [...]
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix'};
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2];
-$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'sectioning_part_appendix'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}
 [...]
 
 $result_errors{'sectioning_part_appendix'} = [];
 
@@ -890,6 +1123,7 @@ $result_elements{'sectioning_part_appendix'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -905,6 +1139,7 @@ $result_elements{'sectioning_part_appendix'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -926,12 +1161,14 @@ $result_elements{'sectioning_part_appendix'} = [
                           'spaces_before_argument' => ' '
                         },
                         'structure' => {
+                          'associated_unit' => {},
                           'level' => 0
                         }
                       },
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 2
                     }
@@ -948,6 +1185,7 @@ $result_elements{'sectioning_part_appendix'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 4,
                             'number' => '1.1.1.1'
                           }
@@ -964,6 +1202,7 @@ $result_elements{'sectioning_part_appendix'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 3,
                                   'number' => '1.1.1'
                                 }
@@ -980,6 +1219,7 @@ $result_elements{'sectioning_part_appendix'} = [
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
+                                        'associated_unit' => {},
                                         'level' => 2,
                                         'number' => '1.1'
                                       }
@@ -1025,6 +1265,7 @@ $result_elements{'sectioning_part_appendix'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 1,
                             'number' => 3
                           }
@@ -1043,6 +1284,7 @@ $result_elements{'sectioning_part_appendix'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 1
                                 }
                               },
@@ -1060,6 +1302,7 @@ $result_elements{'sectioning_part_appendix'} = [
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
+                                        'associated_unit' => {},
                                         'level' => 1,
                                         'number' => 'A'
                                       }
@@ -1078,6 +1321,7 @@ $result_elements{'sectioning_part_appendix'} = [
                                               'spaces_before_argument' => ' '
                                             },
                                             'structure' => {
+                                              'associated_unit' => {},
                                               'level' => 2,
                                               'number' => 'A.1'
                                             }
@@ -1148,13 +1392,20 @@ $result_elements{'sectioning_part_appendix'} = [
   {},
   {}
 ];
+$result_elements{'sectioning_part_appendix'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'sectioning_part_appendix'}[0];
 $result_elements{'sectioning_part_appendix'}[0]{'extra'}{'unit_command'} = 
$result_elements{'sectioning_part_appendix'}[0]{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'sectioning_part_appendix'}[0];
 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'sectioning_part_appendix'}[0];
+$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
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 [...]
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'Fast
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'};
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure
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 [...]
 
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 = 
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$result_elements{'sectioning_part_appendix'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direction
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diff --git a/tp/t/results/sectioning/sectioning_part_appendix_no_top.pl 
b/tp/t/results/sectioning/sectioning_part_appendix_no_top.pl
index ee849bfa04..ab19794f9e 100644
--- a/tp/t/results/sectioning/sectioning_part_appendix_no_top.pl
+++ b/tp/t/results/sectioning/sectioning_part_appendix_no_top.pl
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 = 
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 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
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 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
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 = 
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 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
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 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
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 = 
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 = 
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 = 
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 = 
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 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
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 = 
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 = 
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 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
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 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[0]{'parent'}
 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
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 = 
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+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'parent'}
 = 
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+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'contents'}[0]{'parent'}
 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'parent'}
 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'contents'}[0]{'parent'}
 = 
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+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'args'}[0]{'parent'}
 = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10]{'parent'}
 = $result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[1] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'sectioning_part_appendix_no_top'}[0]{'extra'}{'section'} = 
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+$result_trees{'sectioning_part_appendix_no_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'sectioning_part_appendix_no_top'}[1]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
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+$result_trees{'sectioning_part_appendix_no_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'sectioning_part_appendix_no_top'}[2]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'sectioning_part_appendix_no_top'}[2]{'extra'}{'unit_command'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'sectioning_part_appendix_no_top'}[3]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'sectioning_part_appendix_no_top'}[3]{'extra'}{'section'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'sectioning_part_appendix_no_top'}[3]{'extra'}{'unit_command'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'sectioning_part_appendix_no_top'}[4]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'sectioning_part_appendix_no_top'}[4]{'contents'}[1] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'sectioning_part_appendix_no_top'}[4]{'extra'}{'section'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'sectioning_part_appendix_no_top'}[5]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'sectioning_part_appendix_no_top'}[5]{'extra'}{'section'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'sectioning_part_appendix_no_top'}[6]{'contents'}[0] = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'sectioning_part_appendix_no_top'}[6]{'extra'}{'unit_command'} = 
$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
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$result_trees{'sectioning_part_appendix_no_top'}[0]{'contents'}[0]{'parent'}{'contents'}[10];
 
 $result_texis{'sectioning_part_appendix_no_top'} = '@chapter chapter
 
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=> ' '
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=> {
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=> {}
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-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'as
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'st
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'stru
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'s
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_ch 
[...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'sect [...]
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 = $result_sectioning{ [...]
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 = $result_s [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $resu [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_s [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_sec [...]
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 = $result_sectioning [...]
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 = $result_sectioning{'sectioning_part_appendix_no_t [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_child
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix_no_top'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_chil
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'ass
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'st
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'str
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'as
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'as
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'direc
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'sect
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'s
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix_no_top'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'struct
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'stru
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'dir
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direc
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'s
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'as
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associate
 [...]
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'section_up'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix_no_top'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix_no_top'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'sectioning_part_appendix_no_top'};
-$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[2];
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'sectioning_part_appendix_no_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[1]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_errors{'sectioning_part_appendix_no_top'} = [];
 
@@ -800,6 +1007,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -819,12 +1027,14 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                     'spaces_before_argument' => ' '
                   },
                   'structure' => {
+                    'associated_unit' => {},
                     'level' => 0
                   }
                 },
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 2
               }
@@ -841,6 +1051,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 4,
                       'number' => '1.1.1.1'
                     }
@@ -857,6 +1068,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 3,
                             'number' => '1.1.1'
                           }
@@ -873,6 +1085,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 2,
                                   'number' => '1.1'
                                 }
@@ -918,6 +1131,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 3
                     }
@@ -936,6 +1150,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 1
                           }
                         },
@@ -953,6 +1168,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 1,
                                   'number' => 'A'
                                 }
@@ -971,6 +1187,7 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
+                                        'associated_unit' => {},
                                         'level' => 2,
                                         'number' => 'A.1'
                                       }
@@ -1032,10 +1249,16 @@ $result_elements{'sectioning_part_appendix_no_top'} = [
   {},
   {}
 ];
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'sectioning_part_appendix_no_top'}[0];
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'extra'}{'unit_command'} 
= $result_elements{'sectioning_part_appendix_no_top'}[0]{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'sectioning_part_appendix_no_top'}[0];
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'sectioning_part_appendix_no_top'}[0];
@@ -1054,15 +1277,19 @@ 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'sectioning_part_appendix_no_top'}[0];
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastFo
 [...]
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForwar
 [...]
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direction
 [...]
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{
 [...]
 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'sectioning_part_appendix_no_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structur
 [...]
diff --git a/tp/t/results/sectioning/sections.pl 
b/tp/t/results/sectioning/sections.pl
index 6ff84bc834..4f538f3f04 100644
--- a/tp/t/results/sectioning/sections.pl
+++ b/tp/t/results/sectioning/sections.pl
@@ -39,11 +39,7 @@ $result_trees{'sections'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/sections_test.pl 
b/tp/t/results/sectioning/sections_test.pl
index 3ebf4a6a18..5d311ecbd0 100644
--- a/tp/t/results/sectioning/sections_test.pl
+++ b/tp/t/results/sectioning/sections_test.pl
@@ -46,10 +46,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,11 +400,7 @@ $result_trees{'sections_test'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/sections_test_no_use_nodes.pl 
b/tp/t/results/sectioning/sections_test_no_use_nodes.pl
index f996e86fde..e7ee8254f9 100644
--- a/tp/t/results/sectioning/sections_test_no_use_nodes.pl
+++ b/tp/t/results/sectioning/sections_test_no_use_nodes.pl
@@ -46,10 +46,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,11 +400,7 @@ $result_trees{'sections_test_no_use_nodes'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git 
a/tp/t/results/sectioning/sections_test_no_use_nodes_use_node_directions.pl 
b/tp/t/results/sectioning/sections_test_no_use_nodes_use_node_directions.pl
index 15103c4b82..c0e228498c 100644
--- a/tp/t/results/sectioning/sections_test_no_use_nodes_use_node_directions.pl
+++ b/tp/t/results/sectioning/sections_test_no_use_nodes_use_node_directions.pl
@@ -46,10 +46,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -437,11 +400,7 @@ 
$result_trees{'sections_test_no_use_nodes_use_node_directions'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/semi_auto.pl 
b/tp/t/results/sectioning/semi_auto.pl
index 48cf5ee755..f4c064c131 100644
--- a/tp/t/results/sectioning/semi_auto.pl
+++ b/tp/t/results/sectioning/semi_auto.pl
@@ -51,8 +51,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -261,10 +260,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -305,8 +301,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -458,11 +453,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -503,8 +494,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 16,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -540,11 +530,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -627,8 +613,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -657,11 +642,7 @@ $result_trees{'semi_auto'} = {
         'line_nr' => 20,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.2'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/setfilename_on_top_and_after_node.pl 
b/tp/t/results/sectioning/setfilename_on_top_and_after_node.pl
index c74e4c8bc3..e4455642ef 100644
--- a/tp/t/results/sectioning/setfilename_on_top_and_after_node.pl
+++ b/tp/t/results/sectioning/setfilename_on_top_and_after_node.pl
@@ -51,8 +51,7 @@ $result_trees{'setfilename_on_top_and_after_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -142,10 +141,7 @@ $result_trees{'setfilename_on_top_and_after_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -191,8 +187,7 @@ $result_sectioning{'setfilename_on_top_and_after_node'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -220,8 +215,7 @@ $result_nodes{'setfilename_on_top_and_after_node'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'setfilename_on_top_and_after_node'} = {
@@ -229,8 +223,7 @@ $result_menus{'setfilename_on_top_and_after_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'setfilename_on_top_and_after_node'} = [
diff --git a/tp/t/results/sectioning/shortcontents.pl 
b/tp/t/results/sectioning/shortcontents.pl
index 7d8378281b..fa74f7afb3 100644
--- a/tp/t/results/sectioning/shortcontents.pl
+++ b/tp/t/results/sectioning/shortcontents.pl
@@ -46,10 +46,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -85,11 +82,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -125,11 +118,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => '1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -165,11 +154,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 3,
-        'number' => '1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -205,11 +190,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 4,
-        'number' => '1.1.1.1'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -245,10 +226,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -285,11 +263,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 13,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -325,11 +299,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 15,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 3
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -365,10 +335,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 17,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -404,11 +371,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 'A'
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -461,11 +424,7 @@ $result_trees{'shortcontents'} = {
         'line_nr' => 21,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 2,
-        'number' => 'A.1'
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/space_in_node.pl 
b/tp/t/results/sectioning/space_in_node.pl
index 2ca951d6e1..2bbd76f3ca 100644
--- a/tp/t/results/sectioning/space_in_node.pl
+++ b/tp/t/results/sectioning/space_in_node.pl
@@ -317,8 +317,7 @@ $result_trees{'space_in_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -366,8 +365,7 @@ $result_trees{'space_in_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -415,8 +413,7 @@ $result_trees{'space_in_node'} = {
         'line_nr' => 12,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -457,8 +454,7 @@ $result_trees{'space_in_node'} = {
         'line_nr' => 14,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/top_chapter_sections.pl 
b/tp/t/results/sectioning/top_chapter_sections.pl
index 54a71e3c1c..cf2ced3bf7 100644
--- a/tp/t/results/sectioning/top_chapter_sections.pl
+++ b/tp/t/results/sectioning/top_chapter_sections.pl
@@ -10,527 +10,483 @@ $result_trees{'top_chapter_sections'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
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$result_trees{'top_chapter_sections'}[5]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[5]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[5]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[5]{'contents'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[5];
-$result_trees{'top_chapter_sections'}[5]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[5]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[5]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[5]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[5]{'structure'}{'unit_prev'} = 
$result_trees{'top_chapter_sections'}[4];
-$result_trees{'top_chapter_sections'}[6]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[6]{'contents'}[0]{'args'}[0];
-$result_trees{'top_chapter_sections'}[6]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[6]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[6]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[6]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[6]{'contents'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[6];
-$result_trees{'top_chapter_sections'}[6]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[6]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[6]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[6]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[6]{'structure'}{'unit_prev'} = 
$result_trees{'top_chapter_sections'}[5];
-$result_trees{'top_chapter_sections'}[7]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[7]{'contents'}[0]{'args'}[0];
-$result_trees{'top_chapter_sections'}[7]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[7]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[7]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[7]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[7]{'contents'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[7];
-$result_trees{'top_chapter_sections'}[7]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[7]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[7]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[7]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[7]{'structure'}{'unit_prev'} = 
$result_trees{'top_chapter_sections'}[6];
-$result_trees{'top_chapter_sections'}[8]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_chapter_sections'}[8]{'contents'}[0]{'args'}[0];
-$result_trees{'top_chapter_sections'}[8]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[8]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[8]{'contents'}[0]{'parent'} = 
$result_trees{'top_chapter_sections'}[8];
-$result_trees{'top_chapter_sections'}[8]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[8]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[8]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[8]{'contents'}[0];
-$result_trees{'top_chapter_sections'}[8]{'structure'}{'unit_prev'} = 
$result_trees{'top_chapter_sections'}[7];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'args'}[0]{'parent'}
 = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9]{'parent'}
 = $result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_chapter_sections'}[0]{'contents'}[1] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_chapter_sections'}[0]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_chapter_sections'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_chapter_sections'}[1]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_chapter_sections'}[1]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_chapter_sections'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_chapter_sections'}[2]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_chapter_sections'}[2]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_chapter_sections'}[2]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_chapter_sections'}[3]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'top_chapter_sections'}[3]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'top_chapter_sections'}[3]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'top_chapter_sections'}[4]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'top_chapter_sections'}[4]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'top_chapter_sections'}[4]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'top_chapter_sections'}[5]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'top_chapter_sections'}[5]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'top_chapter_sections'}[5]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'top_chapter_sections'}[6]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'top_chapter_sections'}[6]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'top_chapter_sections'}[6]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'top_chapter_sections'}[7]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'top_chapter_sections'}[7]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'top_chapter_sections'}[7]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[8];
+$result_trees{'top_chapter_sections'}[8]{'contents'}[0] = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'top_chapter_sections'}[8]{'extra'}{'section'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
+$result_trees{'top_chapter_sections'}[8]{'extra'}{'unit_command'} = 
$result_trees{'top_chapter_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[9];
 
 $result_texis{'top_chapter_sections'} = '@top top
 
@@ -590,113 +546,285 @@ $result_sectioning{'top_chapter_sections'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'unnumbered',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_childs' => [
-                  {
-                    'cmdname' => 'section',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 2,
-                      'number' => '1.1',
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
             },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_childs' => [
-                  {
-                    'cmdname' => 'section',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
+            'structure' => {
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'unnumbered',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'section_up' => {},
+                        'toplevel_prev' => {},
+                        'toplevel_up' => {}
+                      }
                     },
-                    'structure' => {
-                      'level' => 2,
-                      'number' => '2.1',
-                      'section_childs' => [
-                        {
-                          'cmdname' => 'subsection',
-                          'extra' => {
-                            'spaces_before_argument' => ' '
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'FastForward' => {
+                        'extra' => {
+                          'section' => {
+                            'cmdname' => 'chapter',
+                            'extra' => {
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'level' => 1,
+                              'number' => 1,
+                              'section_childs' => [
+                                {
+                                  'cmdname' => 'section',
+                                  'extra' => {
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {
+                                      'extra' => {
+                                        'section' => {},
+                                        'unit_command' => {}
+                                      },
+                                      'structure' => {
+                                        'directions' => {
+                                          'Back' => {},
+                                          'FastBack' => {},
+                                          'FastForward' => {
+                                            'extra' => {
+                                              'section' => {
+                                                'cmdname' => 'chapter',
+                                                'extra' => {
+                                                  'spaces_before_argument' => 
' '
+                                                },
+                                                'structure' => {
+                                                  'associated_unit' => {},
+                                                  'level' => 1,
+                                                  'number' => 2,
+                                                  'section_childs' => [
+                                                    {
+                                                      'cmdname' => 'section',
+                                                      'extra' => {
+                                                        
'spaces_before_argument' => ' '
+                                                      },
+                                                      'structure' => {
+                                                        'associated_unit' => {
+                                                          'extra' => {
+                                                            'section' => {},
+                                                            'unit_command' => 
{}
+                                                          },
+                                                          'structure' => {
+                                                            'directions' => {
+                                                              'Back' => {},
+                                                              'FastBack' => {},
+                                                              'FastForward' => 
{
+                                                                'extra' => {
+                                                                  'section' => 
{
+                                                                    'cmdname' 
=> 'chapter',
+                                                                    'extra' => 
{
+                                                                      
'spaces_before_argument' => ' '
+                                                                    },
+                                                                    
'structure' => {
+                                                                      
'associated_unit' => {},
+                                                                      'level' 
=> 1,
+                                                                      'number' 
=> 3,
+                                                                      
'section_prev' => {},
+                                                                      
'section_up' => {},
+                                                                      
'toplevel_prev' => {},
+                                                                      
'toplevel_up' => {}
+                                                                    }
+                                                                  },
+                                                                  
'unit_command' => {}
+                                                                },
+                                                                'structure' => 
{
+                                                                  'directions' 
=> {
+                                                                    'Back' => {
+                                                                      'extra' 
=> {
+                                                                        
'section' => {
+                                                                          
'cmdname' => 'subsection',
+                                                                          
'extra' => {
+                                                                            
'spaces_before_argument' => ' '
+                                                                          },
+                                                                          
'structure' => {
+                                                                            
'associated_unit' => {},
+                                                                            
'level' => 3,
+                                                                            
'number' => '2.1.2',
+                                                                            
'section_prev' => {
+                                                                              
'cmdname' => 'subsection',
+                                                                              
'extra' => {
+                                                                               
 'spaces_before_argument' => ' '
+                                                                              
},
+                                                                              
'structure' => {
+                                                                               
 'associated_unit' => {
+                                                                               
   'extra' => {
+                                                                               
     'section' => {},
+                                                                               
     'unit_command' => {}
+                                                                               
   },
+                                                                               
   'structure' => {
+                                                                               
     'directions' => {
+                                                                               
       'Back' => {},
+                                                                               
       'FastBack' => {},
+                                                                               
       'FastForward' => {},
+                                                                               
       'Forward' => {},
+                                                                               
       'Next' => {},
+                                                                               
       'This' => {},
+                                                                               
       'Up' => {}
+                                                                               
     },
+                                                                               
     'unit_next' => {},
+                                                                               
     'unit_prev' => {}
+                                                                               
   },
+                                                                               
   'type' => 'unit'
+                                                                               
 },
+                                                                               
 'level' => 3,
+                                                                               
 'number' => '2.1.1',
+                                                                               
 'section_up' => {}
+                                                                              }
+                                                                            },
+                                                                            
'section_up' => {}
+                                                                          }
+                                                                        },
+                                                                        
'unit_command' => {}
+                                                                      },
+                                                                      
'structure' => {
+                                                                        
'directions' => {
+                                                                          
'Back' => {},
+                                                                          
'FastBack' => {},
+                                                                          
'FastForward' => {},
+                                                                          
'Forward' => {},
+                                                                          
'Prev' => {},
+                                                                          
'This' => {},
+                                                                          'Up' 
=> {}
+                                                                        },
+                                                                        
'unit_next' => {},
+                                                                        
'unit_prev' => {}
+                                                                      },
+                                                                      'type' 
=> 'unit'
+                                                                    },
+                                                                    'FastBack' 
=> {},
+                                                                    'Prev' => 
{},
+                                                                    'This' => 
{},
+                                                                    'Up' => {}
+                                                                  },
+                                                                  'unit_prev' 
=> {}
+                                                                },
+                                                                'type' => 
'unit'
+                                                              },
+                                                              'Forward' => {},
+                                                              'This' => {},
+                                                              'Up' => {}
+                                                            },
+                                                            'unit_next' => {},
+                                                            'unit_prev' => {}
+                                                          },
+                                                          'type' => 'unit'
+                                                        },
+                                                        'level' => 2,
+                                                        'number' => '2.1',
+                                                        'section_childs' => [
+                                                          {},
+                                                          {}
+                                                        ],
+                                                        'section_up' => {}
+                                                      }
+                                                    }
+                                                  ],
+                                                  'section_prev' => {},
+                                                  'section_up' => {},
+                                                  'toplevel_prev' => {},
+                                                  'toplevel_up' => {}
+                                                }
+                                              },
+                                              'unit_command' => {}
+                                            },
+                                            'structure' => {
+                                              'directions' => {
+                                                'Back' => {},
+                                                'FastBack' => {},
+                                                'FastForward' => {},
+                                                'Forward' => {},
+                                                'Next' => {},
+                                                'Prev' => {},
+                                                'This' => {},
+                                                'Up' => {}
+                                              },
+                                              'unit_next' => {},
+                                              'unit_prev' => {}
+                                            },
+                                            'type' => 'unit'
+                                          },
+                                          'Forward' => {},
+                                          'This' => {},
+                                          'Up' => {}
+                                        },
+                                        'unit_next' => {},
+                                        'unit_prev' => {}
+                                      },
+                                      'type' => 'unit'
+                                    },
+                                    'level' => 2,
+                                    'number' => '1.1',
+                                    'section_up' => {}
+                                  }
+                                }
+                              ],
+                              'section_prev' => {},
+                              'section_up' => {},
+                              'toplevel_prev' => {},
+                              'toplevel_up' => {}
+                            }
                           },
-                          'structure' => {
-                            'level' => 3,
-                            'number' => '2.1.1',
-                            'section_up' => {}
-                          }
+                          'unit_command' => {}
                         },
-                        {
-                          'cmdname' => 'subsection',
-                          'extra' => {
-                            'spaces_before_argument' => ' '
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'FastBack' => {},
+                            'FastForward' => {},
+                            'Forward' => {},
+                            'Next' => {},
+                            'Prev' => {},
+                            'This' => {},
+                            'Up' => {}
                           },
-                          'structure' => {
-                            'level' => 3,
-                            'number' => '2.1.2',
-                            'section_prev' => {},
-                            'section_up' => {}
-                          }
-                        }
-                      ],
-                      'section_up' => {}
-                    }
-                  }
-                ],
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
+                          'unit_next' => {},
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'Forward' => {},
+                      'Next' => {},
+                      'This' => {},
+                      'Up' => {}
+                    },
+                    'unit_next' => {},
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'This' => {}
               },
-              'structure' => {
-                'level' => 1,
-                'number' => 3,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
+          'level' => 0,
+          'section_childs' => [
+            {},
+            {},
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -704,26 +832,117 @@ $result_sectioning{'top_chapter_sections'} = {
     ]
   }
 };
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2];
-$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directi
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'sectio [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'s [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_sectioning{'top_chapter_sections'}{'stru [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_sectioning{'top_chapter_sections'}{' [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associate
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_p
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_u
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = $result_sectioni [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $r [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = $resul [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = $resul [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_ [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_section [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = $result_sectioning{'top_chapter_sections'}{'s [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_sectioning{'top_chapter_sections'}{'stru [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_sectioning{'top_chapter_sections'}{'struct [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{' [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{' [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'str
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'str
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFor
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directi
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'dire
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directio
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directio
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastFo
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structu
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'a
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated
 [...]
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[3]
 = 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_childs'}[0]{'str
 [...]
 
$result_sectioning{'top_chapter_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_chapter_sections'};
 
 $result_errors{'top_chapter_sections'} = [];
@@ -741,6 +960,7 @@ $result_elements{'top_chapter_sections'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -756,6 +976,7 @@ $result_elements{'top_chapter_sections'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1
               }
             },
@@ -773,6 +994,7 @@ $result_elements{'top_chapter_sections'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 1
                     }
@@ -791,6 +1013,7 @@ $result_elements{'top_chapter_sections'} = [
                             'spaces_before_argument' => ' '
                           },
                           'structure' => {
+                            'associated_unit' => {},
                             'level' => 1,
                             'number' => 2
                           }
@@ -807,6 +1030,7 @@ $result_elements{'top_chapter_sections'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 2,
                                   'number' => '1.1'
                                 }
@@ -834,6 +1058,7 @@ $result_elements{'top_chapter_sections'} = [
                                   'spaces_before_argument' => ' '
                                 },
                                 'structure' => {
+                                  'associated_unit' => {},
                                   'level' => 1,
                                   'number' => 3
                                 }
@@ -850,6 +1075,7 @@ $result_elements{'top_chapter_sections'} = [
                                         'spaces_before_argument' => ' '
                                       },
                                       'structure' => {
+                                        'associated_unit' => {},
                                         'level' => 3,
                                         'number' => '2.1.2'
                                       }
@@ -866,6 +1092,7 @@ $result_elements{'top_chapter_sections'} = [
                                               'spaces_before_argument' => ' '
                                             },
                                             'structure' => {
+                                              'associated_unit' => {},
                                               'level' => 3,
                                               'number' => '2.1.1'
                                             }
@@ -882,6 +1109,7 @@ $result_elements{'top_chapter_sections'} = [
                                                     'spaces_before_argument' 
=> ' '
                                                   },
                                                   'structure' => {
+                                                    'associated_unit' => {},
                                                     'level' => 2,
                                                     'number' => '2.1'
                                                   }
@@ -969,14 +1197,19 @@ $result_elements{'top_chapter_sections'} = [
   {},
   {}
 ];
+$result_elements{'top_chapter_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_chapter_sections'}[0];
 $result_elements{'top_chapter_sections'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_chapter_sections'}[0]{'extra'}{'section'};
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'top_chapter_sections'}[0];
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'top_chapter_sections'}[0];
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
@@ -985,9 +1218,13 @@ 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForw
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Up'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directi
 [...]
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'struc
 [...]
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'
 [...]
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{
 [...]
+$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastFor
 [...]
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direct
 [...]
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure
 [...]
 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'top_chapter_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'struc
 [...]
diff --git a/tp/t/results/sectioning/top_no_argument_and_content.pl 
b/tp/t/results/sectioning/top_no_argument_and_content.pl
index 0883f40ea6..c2fc81841d 100644
--- a/tp/t/results/sectioning/top_no_argument_and_content.pl
+++ b/tp/t/results/sectioning/top_no_argument_and_content.pl
@@ -50,10 +50,7 @@ $result_trees{'top_no_argument_and_content'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/top_no_argument_and_node.pl 
b/tp/t/results/sectioning/top_no_argument_and_node.pl
index b7d5278bf6..632f0f89ea 100644
--- a/tp/t/results/sectioning/top_no_argument_and_node.pl
+++ b/tp/t/results/sectioning/top_no_argument_and_node.pl
@@ -51,8 +51,7 @@ $result_trees{'top_no_argument_and_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -74,10 +73,7 @@ $result_trees{'top_no_argument_and_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -110,8 +106,7 @@ $result_sectioning{'top_no_argument_and_node'} = {
             'extra' => {
               'normalized' => 'start',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -136,8 +131,7 @@ $result_nodes{'top_no_argument_and_node'} = {
     },
     'normalized' => 'start',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'top_no_argument_and_node'} = {
@@ -145,8 +139,7 @@ $result_menus{'top_no_argument_and_node'} = {
   'extra' => {
     'normalized' => 'start',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'top_no_argument_and_node'} = [];
diff --git a/tp/t/results/sectioning/top_no_argument_and_top_node.pl 
b/tp/t/results/sectioning/top_no_argument_and_top_node.pl
index 18dc333784..7283f48e10 100644
--- a/tp/t/results/sectioning/top_no_argument_and_top_node.pl
+++ b/tp/t/results/sectioning/top_no_argument_and_top_node.pl
@@ -51,8 +51,7 @@ $result_trees{'top_no_argument_and_top_node'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -74,10 +73,7 @@ $result_trees{'top_no_argument_and_top_node'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -110,8 +106,7 @@ $result_sectioning{'top_no_argument_and_top_node'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           }
         },
         'structure' => {
@@ -136,8 +131,7 @@ $result_nodes{'top_no_argument_and_top_node'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'top_no_argument_and_top_node'} = {
@@ -145,8 +139,7 @@ $result_menus{'top_no_argument_and_top_node'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'top_no_argument_and_top_node'} = [];
diff --git a/tp/t/results/sectioning/top_node_no_menu_direction.pl 
b/tp/t/results/sectioning/top_node_no_menu_direction.pl
index 8d0b0bfb40..586da93db5 100644
--- a/tp/t/results/sectioning/top_node_no_menu_direction.pl
+++ b/tp/t/results/sectioning/top_node_no_menu_direction.pl
@@ -231,8 +231,7 @@ $result_trees{'top_node_no_menu_direction'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -311,8 +310,7 @@ $result_trees{'top_node_no_menu_direction'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/top_node_part_top.pl 
b/tp/t/results/sectioning/top_node_part_top.pl
index d6787b0267..ffacc2873b 100644
--- a/tp/t/results/sectioning/top_node_part_top.pl
+++ b/tp/t/results/sectioning/top_node_part_top.pl
@@ -10,158 +10,161 @@ $result_trees{'top_node_part_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'top',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
+        'type' => 'before_node_section'
       },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_node_part_top'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[1];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'top_node_part_top'}[0]{'contents'}[1];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'top_node_part_top'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[2];
-$result_trees{'top_node_part_top'}[0]{'contents'}[2]{'contents'}[0]{'parent'} 
= $result_trees{'top_node_part_top'}[0]{'contents'}[2];
-$result_trees{'top_node_part_top'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'top_node_part_top'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'top_node_part_top'}[0]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[3];
-$result_trees{'top_node_part_top'}[0]{'contents'}[3]{'extra'}{'associated_part'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[2];
-$result_trees{'top_node_part_top'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'top_node_part_top'}[0];
-$result_trees{'top_node_part_top'}[0]{'extra'}{'node'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[1];
-$result_trees{'top_node_part_top'}[0]{'extra'}{'section'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[3];
-$result_trees{'top_node_part_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[3];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0] 
= $result_trees{'top_node_part_top'}[0]{'contents'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'associated_part'}
 = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_part_top'}[0]{'contents'}[1] = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_part_top'}[0]{'contents'}[2] = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_part_top'}[0]{'contents'}[3] = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_part_top'}[0]{'extra'}{'node'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_part_top'}[0]{'extra'}{'section'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_part_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_node_part_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'top_node_part_top'} = '@node Top
 
@@ -195,12 +198,27 @@ $result_sectioning{'top_node_part_top'} = {
                   'normalized' => 'Top',
                   'spaces_before_argument' => ' '
                 },
-                'structure' => {}
+                'structure' => {
+                  'associated_unit' => {
+                    'extra' => {
+                      'node' => {},
+                      'section' => {},
+                      'unit_command' => {}
+                    },
+                    'structure' => {
+                      'directions' => {
+                        'This' => {}
+                      }
+                    },
+                    'type' => 'unit'
+                  }
+                }
               },
               'associated_part' => {},
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0,
               'section_prev' => {},
               'section_up' => {}
@@ -209,6 +227,7 @@ $result_sectioning{'top_node_part_top'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -217,9 +236,15 @@ $result_sectioning{'top_node_part_top'} = {
     ]
   }
 };
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'};
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_prev'}
 = $result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0];
 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'top_node_part_top'};
+$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'}{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_node_part_top'};
 $result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'top_node_part_top'}{'structure'}{'section_childs'}[0]{'extra'}{'part_associated_section'};
 
@@ -235,20 +260,42 @@ $result_nodes{'top_node_part_top'} = {
             'spaces_before_argument' => ' '
           },
           'structure' => {
+            'associated_unit' => {
+              'extra' => {
+                'node' => {},
+                'section' => {},
+                'unit_command' => {}
+              },
+              'structure' => {
+                'directions' => {
+                  'This' => {}
+                }
+              },
+              'type' => 'unit'
+            },
             'level' => 0
           }
         },
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {},
         'level' => 0
       }
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {}
+  }
 };
+$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'top_node_part_top'};
+$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'top_node_part_top'}{'extra'}{'associated_section'};
+$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'top_node_part_top'}{'extra'}{'associated_section'};
+$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_part_top'}{'structure'}{'associated_unit'} = 
$result_nodes{'top_node_part_top'}{'extra'}{'associated_section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'};
 
 $result_menus{'top_node_part_top'} = {
   'cmdname' => 'node',
@@ -256,8 +303,46 @@ $result_menus{'top_node_part_top'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'associated_part' => {
+              'cmdname' => 'part',
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'structure' => {
+                'associated_unit' => {},
+                'level' => 0
+              }
+            },
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'top_node_part_top'};
+$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_menus{'top_node_part_top'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'top_node_part_top'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'top_node_part_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'top_node_part_top'}{'structure'}{'associated_unit'};
 
 $result_errors{'top_node_part_top'} = [
   {
@@ -293,7 +378,9 @@ $result_elements{'top_node_part_top'} = [
           'normalized' => 'Top',
           'spaces_before_argument' => ' '
         },
-        'structure' => {}
+        'structure' => {
+          'associated_unit' => {}
+        }
       },
       'section' => {
         'cmdname' => 'top',
@@ -304,12 +391,14 @@ $result_elements{'top_node_part_top'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {},
               'level' => 0
             }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -323,6 +412,9 @@ $result_elements{'top_node_part_top'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'top_node_part_top'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'top_node_part_top'}[0];
+$result_elements{'top_node_part_top'}[0]{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = $result_elements{'top_node_part_top'}[0];
+$result_elements{'top_node_part_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_node_part_top'}[0];
 $result_elements{'top_node_part_top'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_node_part_top'}[0]{'extra'}{'section'};
 $result_elements{'top_node_part_top'}[0]{'structure'}{'directions'}{'This'} = 
$result_elements{'top_node_part_top'}[0];
 
diff --git a/tp/t/results/sectioning/top_node_up_url.pl 
b/tp/t/results/sectioning/top_node_up_url.pl
index d2fc30c915..bc79b6dcb2 100644
--- a/tp/t/results/sectioning/top_node_up_url.pl
+++ b/tp/t/results/sectioning/top_node_up_url.pl
@@ -10,309 +10,310 @@ $result_trees{'top_node_up_url'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'internal top node up'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'internal top node up'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'first'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'first'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'first'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'first'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'first'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'first',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 8,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'first'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'first'
-            }
-          ],
-          'normalized' => 'first',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 8,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[1]{'extra'}{'node_content'}[0] 
= $result_trees{'top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'top_node_up_url'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'top_node_up_url'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'contents'}[2]{'parent'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'top_node_up_url'}[0];
-$result_trees{'top_node_up_url'}[0]{'extra'}{'node'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'top_node_up_url'}[0]{'extra'}{'section'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[2];
-$result_trees{'top_node_up_url'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[1];
-$result_trees{'top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'top_node_up_url'}[1]{'contents'}[0]{'extra'}{'node_content'}[0] 
= $result_trees{'top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_up_url'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'top_node_up_url'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'top_node_up_url'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'top_node_up_url'}[1];
-$result_trees{'top_node_up_url'}[1]{'extra'}{'node'} = 
$result_trees{'top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'top_node_up_url'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_node_up_url'}[1]{'contents'}[0];
-$result_trees{'top_node_up_url'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'top_node_up_url'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_node_up_url'}[0]{'contents'}[1] = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'contents'}[2] = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'extra'}{'node'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_up_url'}[0]{'extra'}{'section'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_node_up_url'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_node_up_url'}[1]{'contents'}[0] = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_up_url'}[1]{'extra'}{'node'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_node_up_url'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_node_up_url'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'top_node_up_url'} = '@node Top
 @top internal top node up
@@ -345,11 +346,56 @@ $result_sectioning{'top_node_up_url'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'first',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_up' => {}
         }
@@ -357,6 +403,23 @@ $result_sectioning{'top_node_up_url'} = {
     ]
   }
 };
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'top_node_up_url'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_node_up_url'};
 
 $result_nodes{'top_node_up_url'} = {
@@ -368,6 +431,51 @@ $result_nodes{'top_node_up_url'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'first',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -390,23 +498,32 @@ $result_nodes{'top_node_up_url'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'top_node_up_url'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'top_node_up_url'};
-$result_nodes{'top_node_up_url'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'top_node_up_url'};
-$result_nodes{'top_node_up_url'}{'structure'}{'node_next'} = 
$result_nodes{'top_node_up_url'}{'structure'}{'menu_child'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'top_node_up_url'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'top_node_up_url'}{'extra'}{'associated_section'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'top_node_up_url'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'top_node_up_url'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'top_node_up_url'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'top_node_up_url'}{'structure'}{'associated_unit'} = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_node_up_url'}{'structure'}{'menu_child'} = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'top_node_up_url'}{'structure'}{'node_next'} = 
$result_nodes{'top_node_up_url'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'top_node_up_url'} = {
   'cmdname' => 'node',
@@ -415,22 +532,83 @@ $result_menus{'top_node_up_url'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'first',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'first',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'top_node_up_url'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'top_node_up_url'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'top_node_up_url'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'top_node_up_url'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'top_node_up_url'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'top_node_up_url'}{'structure'}{'associated_unit'};
+$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'top_node_up_url'}{'structure'}{'menu_child'} = 
$result_menus{'top_node_up_url'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'top_node_up_url'} = [];
 
@@ -448,6 +626,7 @@ $result_elements{'top_node_up_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -455,6 +634,23 @@ $result_elements{'top_node_up_url'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -469,6 +665,7 @@ $result_elements{'top_node_up_url'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -476,23 +673,7 @@ $result_elements{'top_node_up_url'} = [
     },
     'structure' => {
       'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -502,20 +683,23 @@ $result_elements{'top_node_up_url'} = [
   },
   {}
 ];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'top_node_up_url'}[0];
+$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'top_node_up_url'}[0]{'extra'}{'node'};
+$result_elements{'top_node_up_url'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_node_up_url'}[0];
 $result_elements{'top_node_up_url'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'};
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = $result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'NodeNext'} 
= $result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'} = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'NodeNext'} 
= 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 $result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'This'} = 
$result_elements{'top_node_up_url'}[0];
-$result_elements{'top_node_up_url'}[1] = 
$result_elements{'top_node_up_url'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'top_node_up_url'}[1] = 
$result_elements{'top_node_up_url'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/top_part_chapter.pl 
b/tp/t/results/sectioning/top_part_chapter.pl
index 0e9500028d..016c1e8b06 100644
--- a/tp/t/results/sectioning/top_part_chapter.pl
+++ b/tp/t/results/sectioning/top_part_chapter.pl
@@ -10,160 +10,156 @@ $result_trees{'top_part_chapter'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'part'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'part',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => ' 
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [],
+              'extra' => {
+                'associated_part' => {},
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'part'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'part',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => ' 
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [],
-        'extra' => {
-          'associated_part' => {},
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[0];
-$result_trees{'top_part_chapter'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'top_part_chapter'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[1];
-$result_trees{'top_part_chapter'}[0]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[1];
-$result_trees{'top_part_chapter'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'top_part_chapter'}[0];
-$result_trees{'top_part_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[1];
-$result_trees{'top_part_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[1];
-$result_trees{'top_part_chapter'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'top_part_chapter'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[1]{'contents'}[0];
-$result_trees{'top_part_chapter'}[1]{'contents'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[1]{'contents'}[0];
-$result_trees{'top_part_chapter'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[1];
-$result_trees{'top_part_chapter'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'top_part_chapter'}[1]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'top_part_chapter'}[1]{'contents'}[1];
-$result_trees{'top_part_chapter'}[1]{'contents'}[1]{'extra'}{'associated_part'}
 = $result_trees{'top_part_chapter'}[1]{'contents'}[0];
-$result_trees{'top_part_chapter'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'top_part_chapter'}[1];
-$result_trees{'top_part_chapter'}[1]{'extra'}{'section'} = 
$result_trees{'top_part_chapter'}[1]{'contents'}[1];
-$result_trees{'top_part_chapter'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_part_chapter'}[1]{'contents'}[1];
-$result_trees{'top_part_chapter'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'top_part_chapter'}[0];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'associated_part'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_part_chapter'}[0]{'contents'}[1] = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_part_chapter'}[0]{'extra'}{'section'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_part_chapter'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_part_chapter'}[1]{'contents'}[0] = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_part_chapter'}[1]{'contents'}[1] = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_part_chapter'}[1]{'extra'}{'section'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_part_chapter'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_part_chapter'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'top_part_chapter'} = '@top top
 
@@ -193,49 +189,95 @@ $result_sectioning{'top_part_chapter'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 0,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'part',
-        'extra' => {
-          'part_associated_section' => {
-            'cmdname' => 'chapter',
+          'associated_unit' => {
             'extra' => {
-              'associated_part' => {},
-              'spaces_before_argument' => ' '
+              'section' => {},
+              'unit_command' => {}
             },
             'structure' => {
-              'level' => 1,
-              'number' => 1,
-              'section_up' => {},
-              'toplevel_prev' => {},
-              'toplevel_up' => {}
-            }
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'associated_part' => {
+                          'cmdname' => 'part',
+                          'extra' => {
+                            'part_associated_section' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 0,
+                            'section_childs' => [
+                              {}
+                            ],
+                            'section_prev' => {},
+                            'section_up' => {}
+                          }
+                        },
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 1,
+                        'section_up' => {},
+                        'toplevel_prev' => {},
+                        'toplevel_up' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'Next' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
           },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
           'level' => 0,
-          'section_childs' => [
-            {}
-          ],
-          'section_prev' => {},
           'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'extra'}{'part_associated_section'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_prev'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'section_up'}
 = $result_sectioning{'top_part_chapter'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_part_chapter'};
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'extra'}{'associated_part'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'section_up'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'extra'}{'part_associated_section'};
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = $result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'top_part_chapter'};
+$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[1] = 
$result_sectioning{'top_part_chapter'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'};
 
 $result_errors{'top_part_chapter'} = [];
 
@@ -252,6 +294,7 @@ $result_elements{'top_part_chapter'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -270,12 +313,14 @@ $result_elements{'top_part_chapter'} = [
                     'spaces_before_argument' => ' '
                   },
                   'structure' => {
+                    'associated_unit' => {},
                     'level' => 0
                   }
                 },
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -300,7 +345,10 @@ $result_elements{'top_part_chapter'} = [
   },
   {}
 ];
+$result_elements{'top_part_chapter'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_part_chapter'}[0];
 $result_elements{'top_part_chapter'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_part_chapter'}[0]{'extra'}{'section'};
+$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_part'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'top_part_chapter'}[0];
 
$result_elements{'top_part_chapter'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'top_part_chapter'}[0];
diff --git a/tp/t/results/sectioning/top_without_node_nodes.pl 
b/tp/t/results/sectioning/top_without_node_nodes.pl
index d7e3e7dad7..ade7f12081 100644
--- a/tp/t/results/sectioning/top_without_node_nodes.pl
+++ b/tp/t/results/sectioning/top_without_node_nodes.pl
@@ -10,225 +10,227 @@ $result_trees{'top_without_node_nodes'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top section
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top section
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => 'dir'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
               },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'second'
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'second'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'second',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
-            undef,
             {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'second',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 4,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text of chapter
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text of chapter
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_without_node_nodes'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'top_without_node_nodes'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[1]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[2]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'args'}[3]{'contents'}[1];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'top_without_node_nodes'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0]{'parent'} 
= $result_trees{'top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[1];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'contents'}[3]{'parent'} = 
$result_trees{'top_without_node_nodes'}[0];
-$result_trees{'top_without_node_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'top_without_node_nodes'}[0]{'extra'}{'section'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'top_without_node_nodes'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[1] = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[2] = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'contents'}[3] = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_nodes'}[0]{'extra'}{'section'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_nodes'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'top_without_node_nodes'} = '@top top section
 Top section
@@ -260,29 +262,55 @@ $result_sectioning{'top_without_node_nodes'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
+          'associated_unit' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {}
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'associated_node' => {},
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1,
+                  'section_up' => {},
+                  'toplevel_prev' => {},
+                  'toplevel_up' => {}
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'NodeUp' => {
                   'extra' => {
-                    'normalized' => 'second',
-                    'spaces_before_argument' => ' '
+                    'manual_content' => [
+                      {
+                        'text' => 'dir'
+                      }
+                    ]
                   },
-                  'structure' => {}
+                  'type' => 'external_node'
                 },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
+                'This' => {}
               }
-            }
+            },
+            'type' => 'unit'
+          },
+          'level' => 0,
+          'section_childs' => [
+            {}
           ],
           'section_up' => {}
         }
@@ -290,9 +318,15 @@ $result_sectioning{'top_without_node_nodes'} = {
     ]
   }
 };
-$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'node'};
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'};
 
$result_sectioning{'top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_without_node_nodes'};
 
 $result_nodes{'top_without_node_nodes'} = {
@@ -304,6 +338,29 @@ $result_nodes{'top_without_node_nodes'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'NodeUp' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {}
+            }
+          },
+          'type' => 'unit'
+        },
         'level' => 1,
         'number' => 1
       }
@@ -312,18 +369,21 @@ $result_nodes{'top_without_node_nodes'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {},
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       },
       'structure' => {}
     }
   }
 };
+$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'top_without_node_nodes'};
+$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'};
+$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'top_without_node_nodes'};
+$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_nodes'}{'structure'}{'associated_unit'} = 
$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_nodes'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'top_without_node_nodes'} = {
   'cmdname' => 'node',
@@ -331,8 +391,46 @@ $result_menus{'top_without_node_nodes'} = {
     'normalized' => 'second',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'chapter',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1,
+            'number' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'top_without_node_nodes'};
+$result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'top_without_node_nodes'};
+$result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'top_without_node_nodes'}{'structure'}{'associated_unit'};
 
 $result_errors{'top_without_node_nodes'} = [];
 
@@ -349,7 +447,9 @@ $result_elements{'top_without_node_nodes'} = [
           'normalized' => 'second',
           'spaces_before_argument' => ' '
         },
-        'structure' => {}
+        'structure' => {
+          'associated_unit' => {}
+        }
       },
       'section' => {
         'cmdname' => 'chapter',
@@ -357,6 +457,7 @@ $result_elements{'top_without_node_nodes'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'number' => 1
         }
@@ -381,6 +482,8 @@ $result_elements{'top_without_node_nodes'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'top_without_node_nodes'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'top_without_node_nodes'}[0];
+$result_elements{'top_without_node_nodes'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_without_node_nodes'}[0];
 $result_elements{'top_without_node_nodes'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_without_node_nodes'}[0]{'extra'}{'node'};
 
$result_elements{'top_without_node_nodes'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'top_without_node_nodes'}[0];
 
diff --git a/tp/t/results/sectioning/top_without_node_sections.pl 
b/tp/t/results/sectioning/top_without_node_sections.pl
index a1f18430e7..fc7fe3c35d 100644
--- a/tp/t/results/sectioning/top_without_node_sections.pl
+++ b/tp/t/results/sectioning/top_without_node_sections.pl
@@ -10,240 +10,238 @@ $result_trees{'top_without_node_sections'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top section
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top section
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
-    ],
-    'extra' => {
-      'section' => {},
-      'unit_command' => {}
-    },
-    'structure' => {},
-    'type' => 'unit'
-  },
-  {
-    'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => 'dir'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
               },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'second'
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'second'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'second',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 4,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
-            undef,
             {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'second',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 4,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text of chapter
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text of chapter
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
-      'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
+    'type' => 'unit'
+  },
+  {
+    'contents' => [
+      {},
+      {}
+    ],
+    'extra' => {
+      'node' => {},
+      'section' => {},
+      'unit_command' => {}
     },
     'type' => 'unit'
   }
 ];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'top_without_node_sections'}[0];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'top_without_node_sections'}[0];
-$result_trees{'top_without_node_sections'}[0]{'extra'}{'section'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'top_without_node_sections'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_sections'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'top_without_node_sections'}[1];
-$result_trees{'top_without_node_sections'}[1]{'extra'}{'node'} = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'top_without_node_sections'}[1]{'extra'}{'section'} = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_sections'}[1]{'contents'}[1];
-$result_trees{'top_without_node_sections'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'top_without_node_sections'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[3]{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'top_without_node_sections'}[0]{'contents'}[1] = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'extra'}{'section'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[0]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'top_without_node_sections'}[1]{'contents'}[0] = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[1]{'contents'}[1] = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_sections'}[1]{'extra'}{'node'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'top_without_node_sections'}[1]{'extra'}{'section'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'top_without_node_sections'}[1]{'extra'}{'unit_command'} = 
$result_trees{'top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'top_without_node_sections'} = '@top top section
 Top section
@@ -275,29 +273,73 @@ $result_sectioning{'top_without_node_sections'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 0,
-          'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'FastForward' => {
                   'extra' => {
-                    'normalized' => 'second',
-                    'spaces_before_argument' => ' '
+                    'node' => {
+                      'cmdname' => 'node',
+                      'extra' => {
+                        'normalized' => 'second',
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {}
+                      }
+                    },
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'associated_node' => {},
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 1,
+                        'section_up' => {},
+                        'toplevel_prev' => {},
+                        'toplevel_up' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'NodeUp' => {
+                        'extra' => {
+                          'manual_content' => [
+                            {
+                              'text' => 'dir'
+                            }
+                          ]
+                        },
+                        'type' => 'external_node'
+                      },
+                      'This' => {},
+                      'Up' => {}
+                    },
+                    'unit_prev' => {}
                   },
-                  'structure' => {}
+                  'type' => 'unit'
                 },
-                'spaces_before_argument' => ' '
+                'Forward' => {},
+                'This' => {}
               },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
+          'level' => 0,
+          'section_childs' => [
+            {}
           ],
           'section_up' => {}
         }
@@ -305,9 +347,24 @@ $result_sectioning{'top_without_node_sections'} = {
     ]
   }
 };
-$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'top_without_node_sections'};
 
 $result_nodes{'top_without_node_sections'} = {
@@ -319,6 +376,56 @@ $result_nodes{'top_without_node_sections'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Back' => {
+                'extra' => {
+                  'section' => {
+                    'cmdname' => 'top',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 0
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              },
+              'FastBack' => {},
+              'NodeUp' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {},
+              'Up' => {}
+            },
+            'unit_prev' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 1,
         'number' => 1
       }
@@ -327,18 +434,30 @@ $result_nodes{'top_without_node_sections'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {},
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       },
       'structure' => {}
     }
   }
 };
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'top_without_node_sections'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'top_without_node_sections'}{'structure'}{'associated_unit'} = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'top_without_node_sections'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'top_without_node_sections'} = {
   'cmdname' => 'node',
@@ -346,8 +465,82 @@ $result_menus{'top_without_node_sections'} = {
     'normalized' => 'second',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'chapter',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1,
+            'number' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'Back' => {
+            'extra' => {
+              'section' => {
+                'cmdname' => 'top',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 0
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'FastForward' => {},
+                'Forward' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
+          'FastBack' => {},
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {},
+          'Up' => {}
+        },
+        'unit_prev' => {}
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'top_without_node_sections'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = $result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = $result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = $result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
 
 $result_errors{'top_without_node_sections'} = [];
 
@@ -364,6 +557,7 @@ $result_elements{'top_without_node_sections'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -379,7 +573,9 @@ $result_elements{'top_without_node_sections'} = [
                 'normalized' => 'second',
                 'spaces_before_argument' => ' '
               },
-              'structure' => {}
+              'structure' => {
+                'associated_unit' => {}
+              }
             },
             'section' => {
               'cmdname' => 'chapter',
@@ -387,6 +583,7 @@ $result_elements{'top_without_node_sections'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -421,7 +618,10 @@ $result_elements{'top_without_node_sections'} = [
   },
   {}
 ];
+$result_elements{'top_without_node_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'top_without_node_sections'}[0];
 $result_elements{'top_without_node_sections'}[0]{'extra'}{'unit_command'} = 
$result_elements{'top_without_node_sections'}[0]{'extra'}{'section'};
+$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'top_without_node_sections'}[0];
 
$result_elements{'top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'top_without_node_sections'}[0];
diff --git a/tp/t/results/sectioning/transliterated_split_equivalent_nodes.pl 
b/tp/t/results/sectioning/transliterated_split_equivalent_nodes.pl
index b3015b665b..9bed0fe4ce 100644
--- a/tp/t/results/sectioning/transliterated_split_equivalent_nodes.pl
+++ b/tp/t/results/sectioning/transliterated_split_equivalent_nodes.pl
@@ -10,626 +10,622 @@ $result_trees{'transliterated_split_equivalent_nodes'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
 ',
-                'type' => 'empty_line_after_command'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'a'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'following_arg'
-                          }
-                        ],
-                        'cmdname' => '~',
-                        'contents' => [],
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 4,
-                          'macro' => ''
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
                         },
-                        'parent' => {}
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'a'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'following_arg'
+                                }
+                              ],
+                              'cmdname' => '~',
+                              'contents' => [],
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 4,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => '_00e3'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 4,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'n'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'n'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'args' => [
+                                {
+                                  'contents' => [
+                                    {
+                                      'parent' => {},
+                                      'text' => 'a'
+                                    }
+                                  ],
+                                  'parent' => {},
+                                  'type' => 'following_arg'
+                                }
+                              ],
+                              'cmdname' => '^',
+                              'contents' => [],
+                              'line_nr' => {
+                                'file_name' => '',
+                                'line_nr' => 6,
+                                'macro' => ''
+                              },
+                              'parent' => {}
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => '_00e2'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 3,
+                    'macro' => ''
                   },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
+                    'normalized' => 'Top'
                   }
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'a'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'following_arg'
+                        }
+                      ],
+                      'cmdname' => '~',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 9,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => '_00e3'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 4,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => '_00e3',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'n'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'n'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'n'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'n',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'args' => [
-                          {
-                            'contents' => [
-                              {
-                                'parent' => {},
-                                'text' => 'a'
-                              }
-                            ],
-                            'parent' => {},
-                            'type' => 'following_arg'
-                          }
-                        ],
-                        'cmdname' => '^',
-                        'contents' => [],
-                        'line_nr' => {
-                          'file_name' => '',
-                          'line_nr' => 6,
-                          'macro' => ''
-                        },
-                        'parent' => {}
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
-                  },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'a'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'following_arg'
+                        }
+                      ],
+                      'cmdname' => '^',
+                      'contents' => [],
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 13,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => '_00e2'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
-                    ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
-                  }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 3,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+                'normalized' => '_00e2',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'a'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'following_arg'
-                  }
-                ],
-                'cmdname' => '~',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 9,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => '_00e3'
-            }
-          ],
-          'normalized' => '_00e3',
-          'spaces_before_argument' => ' '
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-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'n'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'n'
-            }
-          ],
-          'normalized' => 'n',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 11,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'args' => [
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'a'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'following_arg'
-                  }
-                ],
-                'cmdname' => '^',
-                'contents' => [],
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 13,
-                  'macro' => ''
-                },
-                'parent' => {}
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-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
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-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
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-            {}
-          ],
-          'nodes_manuals' => [
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-              'normalized' => '_00e2'
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-          ],
-          'normalized' => '_00e2',
-          'spaces_before_argument' => ' '
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-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 13,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {}
     ],
     'extra' => {
       'node' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[4];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'unit_command'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'extra'}{'unit_command'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[2];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'extra'}{'unit_command'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[2]{'structure'}{'unit_prev'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[1];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[3];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'extra'}{'unit_command'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0];
-$result_trees{'transliterated_split_equivalent_nodes'}[3]{'structure'}{'unit_prev'}
 = $result_trees{'transliterated_split_equivalent_nodes'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[4];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[1] = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'transliterated_split_equivalent_nodes'}[1]{'contents'}[0] = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'transliterated_split_equivalent_nodes'}[2]{'contents'}[0] = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[2]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[2]{'extra'}{'unit_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'transliterated_split_equivalent_nodes'}[3]{'contents'}[0] = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'transliterated_split_equivalent_nodes'}[3]{'extra'}{'node'} = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'transliterated_split_equivalent_nodes'}[3]{'extra'}{'unit_command'}
 = 
$result_trees{'transliterated_split_equivalent_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'transliterated_split_equivalent_nodes'} = '@node Top
 
@@ -678,49 +674,163 @@ $result_nodes{'transliterated_split_equivalent_nodes'} = 
{
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => '_00e3',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'n',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_00e2',
-                'spaces_before_argument' => ' '
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => '_00e3',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'node_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'n',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'Forward' => {
+                              'extra' => {
+                                'node' => {
+                                  'cmdname' => 'node',
+                                  'extra' => {
+                                    'normalized' => '_00e2',
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'node_prev' => {},
+                                    'node_up' => {}
+                                  }
+                                },
+                                'unit_command' => {}
+                              },
+                              'structure' => {
+                                'directions' => {
+                                  'Back' => {},
+                                  'NodeBack' => {},
+                                  'NodePrev' => {},
+                                  'NodeUp' => {},
+                                  'This' => {}
+                                },
+                                'unit_prev' => {}
+                              },
+                              'type' => 'unit'
+                            },
+                            'NodeBack' => {},
+                            'NodeForward' => {},
+                            'NodeNext' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_next' => {},
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'node_next' => {},
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'node_prev' => {},
+                  'node_up' => {}
+                }
               },
-              'structure' => {
-                'node_prev' => {},
-                'node_up' => {}
-              }
+              'unit_command' => {}
             },
-            'node_prev' => {},
-            'node_up' => {}
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'node_prev' => {},
-        'node_up' => {}
-      }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
     },
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
-$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'st
 [...]
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'transliterated_split_equivalent_nodes'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'node_next'}
 = 
$result_nodes{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_menus{'transliterated_split_equivalent_nodes'} = {
   'cmdname' => 'node',
@@ -729,54 +839,168 @@ $result_menus{'transliterated_split_equivalent_nodes'} = 
{
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => '_00e3',
-        'spaces_before_argument' => ' '
+        'node' => {},
+        'unit_command' => {}
       },
       'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'n',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => '_00e2',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'Top' => 1
+        'directions' => {
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => '_00e3',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'n',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {
+                        'extra' => {
+                          'node' => {},
+                          'unit_command' => {}
+                        },
+                        'structure' => {
+                          'directions' => {
+                            'Back' => {},
+                            'Forward' => {
+                              'extra' => {
+                                'node' => {
+                                  'cmdname' => 'node',
+                                  'extra' => {
+                                    'normalized' => '_00e2',
+                                    'spaces_before_argument' => ' '
+                                  },
+                                  'structure' => {
+                                    'associated_unit' => {},
+                                    'menu_prev' => {},
+                                    'menu_up' => {},
+                                    'menu_up_hash' => {
+                                      'Top' => 1
+                                    }
+                                  }
+                                },
+                                'unit_command' => {}
+                              },
+                              'structure' => {
+                                'directions' => {
+                                  'Back' => {},
+                                  'NodeBack' => {},
+                                  'NodePrev' => {},
+                                  'NodeUp' => {},
+                                  'This' => {}
+                                },
+                                'unit_prev' => {}
+                              },
+                              'type' => 'unit'
+                            },
+                            'NodeBack' => {},
+                            'NodeForward' => {},
+                            'NodeNext' => {},
+                            'NodePrev' => {},
+                            'NodeUp' => {},
+                            'This' => {}
+                          },
+                          'unit_next' => {},
+                          'unit_prev' => {}
+                        },
+                        'type' => 'unit'
+                      },
+                      'menu_next' => {},
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'Forward' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
-$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'};
-$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
-$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'st
 [...]
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{
 [...]
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'dir
 [...]
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'transliterated_split_equivalent_nodes'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_next'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'menu_child'}
 = 
$result_menus{'transliterated_split_equivalent_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
 $result_errors{'transliterated_split_equivalent_nodes'} = [];
 
@@ -794,6 +1018,7 @@ $result_elements{'transliterated_split_equivalent_nodes'} 
= [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -801,55 +1026,7 @@ $result_elements{'transliterated_split_equivalent_nodes'} 
= [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
-                'extra' => {
-                  'normalized' => 'n',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_next' => {
-                    'cmdname' => 'node',
-                    'extra' => {
-                      'normalized' => '_00e2',
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'Top' => 1
-                      }
-                    }
-                  },
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
-                  }
-                }
-              },
-              'menu_up' => {},
-              'menu_up_hash' => {
-                'Top' => 1
-              }
-            }
-          }
-        }
-      },
-      'unit_command' => {}
-    },
-    'structure' => {
-      'directions' => {
-        'Forward' => {
-          'extra' => {
-            'node' => {},
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'Forward' => {
+              'associated_unit' => {
                 'extra' => {
                   'node' => {},
                   'unit_command' => {}
@@ -859,13 +1036,60 @@ 
$result_elements{'transliterated_split_equivalent_nodes'} = [
                     'Back' => {},
                     'Forward' => {
                       'extra' => {
-                        'node' => {},
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'n',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_next' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => '_00e2',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {
+                                  'extra' => {
+                                    'node' => {},
+                                    'unit_command' => {}
+                                  },
+                                  'structure' => {
+                                    'directions' => {
+                                      'Back' => {},
+                                      'NodeBack' => {},
+                                      'NodePrev' => {},
+                                      'NodeUp' => {},
+                                      'This' => {}
+                                    }
+                                  },
+                                  'type' => 'unit'
+                                },
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
+                                }
+                              }
+                            },
+                            'menu_prev' => {},
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
                         'unit_command' => {}
                       },
                       'structure' => {
                         'directions' => {
                           'Back' => {},
+                          'Forward' => {},
                           'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
                           'NodePrev' => {},
                           'NodeUp' => {},
                           'This' => {}
@@ -883,16 +1107,20 @@ 
$result_elements{'transliterated_split_equivalent_nodes'} = [
                 },
                 'type' => 'unit'
               },
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {}
+              'menu_next' => {},
+              'menu_up' => {},
+              'menu_up_hash' => {
+                'Top' => 1
+              }
             }
-          },
-          'type' => 'unit'
-        },
+          }
+        }
+      },
+      'unit_command' => {}
+    },
+    'structure' => {
+      'directions' => {
+        'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
         'This' => {}
@@ -904,43 +1132,47 @@ 
$result_elements{'transliterated_split_equivalent_nodes'} = [
   {},
   {}
 ];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{
 [...]
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_prev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'transliterated_split_equivalent_nodes'}[0];
-$result_elements{'transliterated_split_equivalent_nodes'}[1] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[2] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
-$result_elements{'transliterated_split_equivalent_nodes'}[3] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[1] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'transliterated_split_equivalent_nodes'}[2] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_elements{'transliterated_split_equivalent_nodes'}[3] = 
$result_elements{'transliterated_split_equivalent_nodes'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/two_nodes_at_the_end.pl 
b/tp/t/results/sectioning/two_nodes_at_the_end.pl
index 81247b3be6..5e1e291af0 100644
--- a/tp/t/results/sectioning/two_nodes_at_the_end.pl
+++ b/tp/t/results/sectioning/two_nodes_at_the_end.pl
@@ -10,675 +10,676 @@ $result_trees{'two_nodes_at_the_end'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter 1'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-1'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'node after chapter 1'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'node-after-chapter-1'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'node after chapter 2'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'node-after-chapter-2'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 7,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'menu'
+                            }
+                          ],
+                          'extra' => {
+                            'spaces_after_argument' => '
+'
+                          },
+                          'parent' => {},
+                          'type' => 'line_arg'
+                        }
+                      ],
+                      'cmdname' => 'end',
+                      'extra' => {
+                        'command_argument' => 'menu',
+                        'spaces_before_argument' => ' ',
+                        'text_arg' => 'menu'
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 8,
+                        'macro' => ''
+                      },
+                      'parent' => {}
+                    }
+                  ],
+                  'extra' => {
+                    'end_command' => {}
+                  },
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 4,
+                    'macro' => ''
+                  },
+                  'parent' => {}
                 },
-                'parent' => {},
-                'text' => '
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-                'type' => 'empty_line_after_command'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter 1'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'node after chapter 1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'chapter 1'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+',
+                    'spaces_before_argument' => ' '
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
                     'normalized' => 'chapter-1'
-                  }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 5,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
-              },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
                   },
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'node after chapter 1'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+                    'normalized' => 'node-after-chapter-1'
                   },
                   {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   },
                   {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
-'
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
-                ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'node-after-chapter-1'
+                    'normalized' => 'Top'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 6,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'chapter-1',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
-                  {
-                    'parent' => {},
-                    'text' => '* ',
-                    'type' => 'menu_entry_leading_text'
-                  },
-                  {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'node after chapter 2'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_node'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'chapter c1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'parent' => {},
-                    'text' => '::',
-                    'type' => 'menu_entry_separator'
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 11,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'node after chapter 1'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
                   },
-                  {
-                    'contents' => [
-                      {
-                        'contents' => [
-                          {
-                            'parent' => {},
-                            'text' => '
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'in node after chapter 1
 '
-                          }
-                        ],
-                        'parent' => {},
-                        'type' => 'preformatted'
-                      }
-                    ],
-                    'parent' => {},
-                    'type' => 'menu_entry_description'
-                  }
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
                 ],
-                'extra' => {
-                  'menu_entry_description' => {},
-                  'menu_entry_node' => {
+                'nodes_manuals' => [
+                  {
                     'node_content' => [
                       {}
                     ],
-                    'normalized' => 'node-after-chapter-2'
+                    'normalized' => 'node-after-chapter-1'
                   }
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 7,
-                  'macro' => ''
-                },
-                'parent' => {},
-                'type' => 'menu_entry'
+                ],
+                'normalized' => 'node-after-chapter-1',
+                'spaces_before_argument' => ' '
               },
-              {
-                'args' => [
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 13,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'node after chapter 2'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'contents' => [
-                      {
-                        'parent' => {},
-                        'text' => 'menu'
-                      }
+                    'node_content' => [
+                      {}
                     ],
-                    'extra' => {
-                      'spaces_after_argument' => '
-'
-                    },
-                    'parent' => {},
-                    'type' => 'line_arg'
+                    'normalized' => 'node-after-chapter-2'
                   }
                 ],
-                'cmdname' => 'end',
-                'extra' => {
-                  'command_argument' => 'menu',
-                  'spaces_before_argument' => ' ',
-                  'text_arg' => 'menu'
-                },
-                'line_nr' => {
-                  'file_name' => '',
-                  'line_nr' => 8,
-                  'macro' => ''
-                },
-                'parent' => {}
-              }
-            ],
-            'extra' => {
-              'end_command' => {}
-            },
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 4,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                'normalized' => 'node-after-chapter-2',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 17,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 0
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
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-        'args' => [
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-            'contents' => [
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-                'text' => 'chapter 1'
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-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
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-            'extra' => {
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-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
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-            'extra' => {
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-            'parent' => {},
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-          {
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-        'cmdname' => 'node',
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-            {
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-            {
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-            {
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-        'line_nr' => {
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-      {
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-            ],
-            'extra' => {
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-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
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-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
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-          'line_nr' => 11,
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-        'parent' => {},
-        'structure' => {
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-      {
-        'args' => [
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-            ],
-            'extra' => {
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-'
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-            'parent' => {},
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-        ],
-        'cmdname' => 'node',
-        'contents' => [
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-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
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-'
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-            'parent' => {},
-            'type' => 'paragraph'
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-          {
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-            'text' => '
-',
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-        'extra' => {
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-          'normalized' => 'node-after-chapter-1',
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-'
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-            'parent' => {},
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-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
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-          'file_name' => '',
-          'line_nr' => 17,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+      {},
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[0];
-$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'node'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'section'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'args'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'args'}[0]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3]{'parent'} = 
$result_trees{'two_nodes_at_the_end'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'node'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0];
-$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'section'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1];
-$result_trees{'two_nodes_at_the_end'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'two_nodes_at_the_end'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[2]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[1] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[2] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'node'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'section'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[0]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[0] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[1] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[2] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_at_the_end'}[1]{'contents'}[3] = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'node'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'section'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_at_the_end'}[1]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_at_the_end'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'two_nodes_at_the_end'} = '@node Top
 @top top
@@ -728,34 +729,78 @@ $result_sectioning{'two_nodes_at_the_end'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-1',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chapter-1',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {}
           ],
           'section_up' => {}
         }
@@ -763,9 +808,33 @@ $result_sectioning{'two_nodes_at_the_end'} = {
     ]
   }
 };
-$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = $result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'two_nodes_at_the_end'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'two_nodes_at_the_end'};
 
 $result_nodes{'two_nodes_at_the_end'} = {
@@ -777,6 +846,91 @@ $result_nodes{'two_nodes_at_the_end'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-1',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 'node-after-chapter-1',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_next' => {
+                            'cmdname' => 'node',
+                            'extra' => {
+                              'normalized' => 'node-after-chapter-2',
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'node_prev' => {},
+                              'node_up' => {}
+                            }
+                          },
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_prev' => {},
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -799,59 +953,44 @@ $result_nodes{'two_nodes_at_the_end'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-1',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'node-after-chapter-1',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'node-after-chapter-2',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_prev' => {},
-                'node_up' => {}
-              }
-            },
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_prev' => {},
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_next'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}
 = $result_nodes{'two_nodes_at_the_end'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
-$result_nodes{'two_nodes_at_the_end'}{'structure'}{'node_next'} = 
$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'two_nodes_at_the_end'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}
 = $result_nodes{'two_nodes_at_the_end'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_at_the_end'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_at_the_end'}{'structure'}{'associated_unit'} = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_at_the_end'}{'structure'}{'menu_child'} = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'two_nodes_at_the_end'}{'structure'}{'node_next'} = 
$result_nodes{'two_nodes_at_the_end'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'two_nodes_at_the_end'} = {
   'cmdname' => 'node',
@@ -860,54 +999,139 @@ $result_menus{'two_nodes_at_the_end'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-1',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'node-after-chapter-1',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'node-after-chapter-2',
-                'spaces_before_argument' => ' '
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-1',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'node-after-chapter-1',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 'node-after-chapter-2',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'menu_prev' => {},
+                          'menu_up' => {},
+                          'menu_up_hash' => {
+                            'Top' => 1
+                          }
+                        }
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
               },
-              'structure' => {
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'Top' => 1
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
-$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'};
-$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
-$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'two_nodes_at_the_end'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_at_the_end'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_at_the_end'}{'structure'}{'menu_child'} = 
$result_menus{'two_nodes_at_the_end'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'two_nodes_at_the_end'} = [];
 
@@ -925,6 +1149,7 @@ $result_elements{'two_nodes_at_the_end'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -932,6 +1157,37 @@ $result_elements{'two_nodes_at_the_end'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  }
+                },
+                'type' => 'unit'
+              },
               'menu_next' => {
                 'cmdname' => 'node',
                 'extra' => {
@@ -939,6 +1195,7 @@ $result_elements{'two_nodes_at_the_end'} = [
                   'spaces_before_argument' => ' '
                 },
                 'structure' => {
+                  'associated_unit' => {},
                   'menu_next' => {
                     'cmdname' => 'node',
                     'extra' => {
@@ -946,6 +1203,7 @@ $result_elements{'two_nodes_at_the_end'} = [
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'menu_prev' => {},
                       'menu_up' => {},
                       'menu_up_hash' => {
@@ -974,6 +1232,7 @@ $result_elements{'two_nodes_at_the_end'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -981,36 +1240,7 @@ $result_elements{'two_nodes_at_the_end'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'NodeForward' => {},
         'NodeNext' => {},
@@ -1021,28 +1251,34 @@ $result_elements{'two_nodes_at_the_end'} = [
   },
   {}
 ];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_at_the_end'}[0];
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'};
 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'};
 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'};
+$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'two_nodes_at_the_end'}[0];
 $result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'unit_command'} = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'section'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 $result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'This'} 
= $result_elements{'two_nodes_at_the_end'}[0];
-$result_elements{'two_nodes_at_the_end'}[1] = 
$result_elements{'two_nodes_at_the_end'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_at_the_end'}[1] = 
$result_elements{'two_nodes_at_the_end'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
 
 
diff --git a/tp/t/results/sectioning/two_nodes_between_chapters.pl 
b/tp/t/results/sectioning/two_nodes_between_chapters.pl
index f8d825ba78..cc7cc1906b 100644
--- a/tp/t/results/sectioning/two_nodes_between_chapters.pl
+++ b/tp/t/results/sectioning/two_nodes_between_chapters.pl
@@ -10,708 +10,703 @@ $result_trees{'two_nodes_between_chapters'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'cmdname' => 'menu',
-            'contents' => [
-              {
-                'extra' => {
-                  'command' => {}
+                  'type' => 'empty_line'
+                },
+                {
+                  'cmdname' => 'menu',
+                  'contents' => [
+                    {
+                      'extra' => {
+                        'command' => {}
+                      },
+                      'parent' => {},
+                      'text' => '
+',
+                      'type' => 'empty_line_after_command'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter 1'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'chapter-1'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 5,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'node between chapters'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
+                          ],
+                          'normalized' => 'node-between-chapters'
+                        }
+                      },
+                      'line_nr' => {
+                        'file_name' => '',
+                        'line_nr' => 6,
+                        'macro' => ''
+                      },
+                      'parent' => {},
+                      'type' => 'menu_entry'
+                    },
+                    {
+                      'args' => [
+                        {
+                          'parent' => {},
+                          'text' => '* ',
+                          'type' => 'menu_entry_leading_text'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'parent' => {},
+                              'text' => 'chapter 2'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_node'
+                        },
+                        {
+                          'parent' => {},
+                          'text' => '::',
+                          'type' => 'menu_entry_separator'
+                        },
+                        {
+                          'contents' => [
+                            {
+                              'contents' => [
+                                {
+                                  'parent' => {},
+                                  'text' => '
+'
+                                }
+                              ],
+                              'parent' => {},
+                              'type' => 'preformatted'
+                            }
+                          ],
+                          'parent' => {},
+                          'type' => 'menu_entry_description'
+                        }
+                      ],
+                      'extra' => {
+                        'menu_entry_description' => {},
+                        'menu_entry_node' => {
+                          'node_content' => [
+                            {}
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+                  'parent' => {},
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+                  'parent' => {},
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+                  'extra' => {
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+                  'parent' => {},
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                 ],
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                     'node_content' => [
                       {}
                     ],
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                   },
                   {
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                     ],
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                   },
                   {
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                 ],
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               ],
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       },
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     'type' => 'unit'
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 ];
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$result_trees{'two_nodes_between_chapters'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[4];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[0];
-$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[2]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'two_nodes_between_chapters'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[2];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1]{'parent'} = 
$result_trees{'two_nodes_between_chapters'}[2];
-$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0];
-$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1];
-$result_trees{'two_nodes_between_chapters'}[2]{'structure'}{'unit_prev'} = 
$result_trees{'two_nodes_between_chapters'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'extra'}{'command'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_description'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'extra'}{'menu_entry_node'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'extra'}{'end_command'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[1]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[1]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[2]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[2]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'extra'}{'nodes_manuals'}[3]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[3]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'args'}[0]{'contents'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'args'}[0]{'parent'}
 = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7]{'parent'}
 = $result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'};
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[1] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[2] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[0]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[0] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[1] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[1]{'contents'}[2] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[1]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[0] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'two_nodes_between_chapters'}[2]{'contents'}[1] = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'node'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[6];
+$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'section'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
+$result_trees{'two_nodes_between_chapters'}[2]{'extra'}{'unit_command'} = 
$result_trees{'two_nodes_between_chapters'}[0]{'contents'}[0]{'parent'}{'contents'}[7];
 
 $result_texis{'two_nodes_between_chapters'} = '@node Top
 @top top
@@ -760,56 +755,127 @@ $result_sectioning{'two_nodes_between_chapters'} = {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-1',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'chapter-2',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 2,
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'Prev' => {},
+                                'This' => {},
+                                'Up' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'Next' => {},
+                          'NodeBack' => {},
+                          'NodeForward' => {},
+                          'NodeNext' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'This' => {},
+                          'Up' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0,
           'section_childs' => [
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chapter-1',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1,
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            },
-            {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'associated_node' => {
-                  'cmdname' => 'node',
-                  'extra' => {
-                    'normalized' => 'chapter-2',
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {}
-                },
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 2,
-                'section_prev' => {},
-                'section_up' => {},
-                'toplevel_prev' => {},
-                'toplevel_up' => {}
-              }
-            }
+            {},
+            {}
           ],
           'section_up' => {}
         }
@@ -817,13 +883,54 @@ $result_sectioning{'two_nodes_between_chapters'} = {
     ]
   }
 };
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0];
-$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'F
 [...]
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Fa
 [...]
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}
 [...]
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'s
 [...]
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[0]
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_sectioning{'two_nodes_between_chapters'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'two_nodes_between_chapters'};
 
 $result_nodes{'two_nodes_between_chapters'} = {
@@ -835,6 +942,126 @@ $result_nodes{'two_nodes_between_chapters'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'chapter-1',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_next' => {},
+                      'node_prev' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 'node-between-chapters',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'node_next' => {
+                            'cmdname' => 'node',
+                            'extra' => {
+                              'associated_section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {
+                                    'extra' => {
+                                      'node' => {},
+                                      'section' => {},
+                                      'unit_command' => {}
+                                    },
+                                    'structure' => {
+                                      'directions' => {
+                                        'Back' => {},
+                                        'FastBack' => {},
+                                        'NodePrev' => {},
+                                        'NodeUp' => {},
+                                        'Prev' => {},
+                                        'This' => {},
+                                        'Up' => {}
+                                      },
+                                      'unit_prev' => {}
+                                    },
+                                    'type' => 'unit'
+                                  },
+                                  'level' => 1,
+                                  'number' => 2
+                                }
+                              },
+                              'normalized' => 'chapter-2',
+                              'spaces_before_argument' => ' '
+                            },
+                            'structure' => {
+                              'associated_unit' => {},
+                              'node_prev' => {},
+                              'node_up' => {}
+                            }
+                          },
+                          'node_prev' => {},
+                          'node_up' => {}
+                        }
+                      },
+                      'node_up' => {}
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'NodeBack' => {},
+              'NodeForward' => {},
+              'NodeNext' => {},
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 0
       }
     },
@@ -857,69 +1084,60 @@ $result_nodes{'two_nodes_between_chapters'} = {
     }
   ],
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
-      'extra' => {
-        'associated_section' => {
-          'cmdname' => 'chapter',
-          'extra' => {
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'level' => 1,
-            'number' => 1
-          }
-        },
-        'normalized' => 'chapter-1',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'node_next' => {},
-        'node_prev' => {
-          'cmdname' => 'node',
-          'extra' => {
-            'normalized' => 'node-between-chapters',
-            'spaces_before_argument' => ' '
-          },
-          'structure' => {
-            'node_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'associated_section' => {
-                  'cmdname' => 'chapter',
-                  'extra' => {
-                    'spaces_before_argument' => ' '
-                  },
-                  'structure' => {
-                    'level' => 1,
-                    'number' => 2
-                  }
-                },
-                'normalized' => 'chapter-2',
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'node_prev' => {},
-                'node_up' => {}
-              }
-            },
-            'node_prev' => {},
-            'node_up' => {}
-          }
-        },
-        'node_up' => {}
-      }
-    },
+    'associated_unit' => {},
+    'menu_child' => {},
     'node_next' => {}
   }
 };
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_next'}
 = $result_nodes{'two_nodes_between_chapters'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = $result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = $result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
-$result_nodes{'two_nodes_between_chapters'}{'structure'}{'node_next'} = 
$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'two_nodes_between_chapters'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = $result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_next'}
 = $result_nodes{'two_nodes_between_chapters'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{
 [...]
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev
 [...]
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node
 [...]
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structu
 [...]
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_s
 [...]
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'structure'}{'node_prev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_prev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_up'}
 = $result_nodes{'two_nodes_between_chapters'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'node_prev'}{'structure'}{'node_next'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'two_nodes_between_chapters'}{'structure'}{'associated_unit'} = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'two_nodes_between_chapters'}{'structure'}{'menu_child'} = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_nodes{'two_nodes_between_chapters'}{'structure'}{'node_next'} = 
$result_nodes{'two_nodes_between_chapters'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_menus{'two_nodes_between_chapters'} = {
   'cmdname' => 'node',
@@ -928,54 +1146,188 @@ $result_menus{'two_nodes_between_chapters'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
-    'menu_child' => {
-      'cmdname' => 'node',
+    'associated_unit' => {
       'extra' => {
-        'normalized' => 'chapter-1',
-        'spaces_before_argument' => ' '
-      },
-      'structure' => {
-        'menu_next' => {
-          'cmdname' => 'node',
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
           'extra' => {
-            'normalized' => 'node-between-chapters',
             'spaces_before_argument' => ' '
           },
           'structure' => {
-            'menu_next' => {
-              'cmdname' => 'node',
-              'extra' => {
-                'normalized' => 'chapter-2',
-                'spaces_before_argument' => ' '
+            'associated_unit' => {},
+            'level' => 0
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'chapter-1',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'menu_next' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'normalized' => 'node-between-chapters',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'menu_next' => {
+                        'cmdname' => 'node',
+                        'extra' => {
+                          'normalized' => 'chapter-2',
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {
+                            'extra' => {
+                              'node' => {},
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 2
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodePrev' => {},
+                                'NodeUp' => {},
+                                'Prev' => {},
+                                'This' => {},
+                                'Up' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'menu_prev' => {},
+                          'menu_up' => {},
+                          'menu_up_hash' => {
+                            'Top' => 1
+                          }
+                        }
+                      },
+                      'menu_prev' => {},
+                      'menu_up' => {},
+                      'menu_up_hash' => {
+                        'Top' => 1
+                      }
+                    }
+                  },
+                  'menu_up' => {},
+                  'menu_up_hash' => {
+                    'Top' => 1
+                  }
+                }
               },
-              'structure' => {
-                'menu_prev' => {},
-                'menu_up' => {},
-                'menu_up_hash' => {
-                  'Top' => 1
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
                 }
-              }
+              },
+              'unit_command' => {}
             },
-            'menu_prev' => {},
-            'menu_up' => {},
-            'menu_up_hash' => {
-              'Top' => 1
-            }
-          }
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {},
+                'Forward' => {},
+                'Next' => {},
+                'NodeBack' => {},
+                'NodeForward' => {},
+                'NodeNext' => {},
+                'NodePrev' => {},
+                'NodeUp' => {},
+                'This' => {},
+                'Up' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'NodeBack' => {},
+          'NodeForward' => {},
+          'NodeNext' => {},
+          'This' => {}
         },
-        'menu_up' => {},
-        'menu_up_hash' => {
-          'Top' => 1
-        }
-      }
-    }
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    },
+    'menu_child' => {}
   }
 };
-$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
-$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'};
-$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
-$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'two_nodes_between_chapters'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_menus{'two_nodes_between_chapters'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'two_nodes_between_chapters'}{'structure'}{'menu_child'} = 
$result_menus{'two_nodes_between_chapters'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
 
 $result_errors{'two_nodes_between_chapters'} = [
   {
@@ -1012,6 +1364,7 @@ $result_elements{'two_nodes_between_chapters'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'menu_child' => {
             'cmdname' => 'node',
             'extra' => {
@@ -1019,34 +1372,98 @@ $result_elements{'two_nodes_between_chapters'} = [
               'spaces_before_argument' => ' '
             },
             'structure' => {
-              'menu_next' => {
-                'cmdname' => 'node',
+              'associated_unit' => {
                 'extra' => {
-                  'normalized' => 'node-between-chapters',
-                  'spaces_before_argument' => ' '
-                },
-                'structure' => {
-                  'menu_next' => {
-                    'cmdname' => 'node',
+                  'node' => {},
+                  'section' => {
+                    'cmdname' => 'chapter',
                     'extra' => {
-                      'normalized' => 'chapter-2',
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
-                      'menu_prev' => {},
-                      'menu_up' => {},
-                      'menu_up_hash' => {
-                        'Top' => 1
-                      }
+                      'associated_unit' => {},
+                      'level' => 1,
+                      'number' => 1
                     }
                   },
-                  'menu_prev' => {},
-                  'menu_up' => {},
-                  'menu_up_hash' => {
-                    'Top' => 1
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'chapter-2',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'menu_prev' => {
+                              'cmdname' => 'node',
+                              'extra' => {
+                                'normalized' => 'node-between-chapters',
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'menu_next' => {},
+                                'menu_prev' => {},
+                                'menu_up' => {},
+                                'menu_up_hash' => {
+                                  'Top' => 1
+                                }
+                              }
+                            },
+                            'menu_up' => {},
+                            'menu_up_hash' => {
+                              'Top' => 1
+                            }
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 2
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodePrev' => {},
+                          'NodeUp' => {},
+                          'Prev' => {},
+                          'This' => {},
+                          'Up' => {}
+                        }
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeBack' => {},
+                    'NodeForward' => {},
+                    'NodeNext' => {},
+                    'NodePrev' => {},
+                    'NodeUp' => {},
+                    'This' => {},
+                    'Up' => {}
                   }
-                }
+                },
+                'type' => 'unit'
               },
+              'menu_next' => {},
               'menu_up' => {},
               'menu_up_hash' => {
                 'Top' => 1
@@ -1061,6 +1478,7 @@ $result_elements{'two_nodes_between_chapters'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 0
         }
       },
@@ -1068,66 +1486,7 @@ $result_elements{'two_nodes_between_chapters'} = [
     },
     'structure' => {
       'directions' => {
-        'FastForward' => {
-          'extra' => {
-            'node' => {},
-            'section' => {
-              'cmdname' => 'chapter',
-              'extra' => {
-                'spaces_before_argument' => ' '
-              },
-              'structure' => {
-                'level' => 1,
-                'number' => 1
-              }
-            },
-            'unit_command' => {}
-          },
-          'structure' => {
-            'directions' => {
-              'Back' => {},
-              'FastBack' => {},
-              'FastForward' => {
-                'extra' => {
-                  'node' => {},
-                  'section' => {
-                    'cmdname' => 'chapter',
-                    'extra' => {
-                      'spaces_before_argument' => ' '
-                    },
-                    'structure' => {
-                      'level' => 1,
-                      'number' => 2
-                    }
-                  },
-                  'unit_command' => {}
-                },
-                'structure' => {
-                  'directions' => {
-                    'Back' => {},
-                    'FastBack' => {},
-                    'NodePrev' => {},
-                    'NodeUp' => {},
-                    'Prev' => {},
-                    'This' => {},
-                    'Up' => {}
-                  }
-                },
-                'type' => 'unit'
-              },
-              'Forward' => {},
-              'Next' => {},
-              'NodeBack' => {},
-              'NodeForward' => {},
-              'NodeNext' => {},
-              'NodePrev' => {},
-              'NodeUp' => {},
-              'This' => {},
-              'Up' => {}
-            }
-          },
-          'type' => 'unit'
-        },
+        'FastForward' => {},
         'Forward' => {},
         'NodeBack' => {},
         'NodeForward' => {},
@@ -1140,41 +1499,48 @@ $result_elements{'two_nodes_between_chapters'} = [
   {},
   {}
 ];
-$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'};
-$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'};
-$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_prev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_next'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_prev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeNext'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_between_chapters'}[0];
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'menu_prev'};
 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_up'}
 = $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'};
+$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'two_nodes_between_chapters'}[0];
 $result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'unit_command'} = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'section'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'menu_next'}{'structure'}{'menu_next'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeBack'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeForward'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeNext'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodePrev'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Up'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'Forward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeBack'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeForward'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'NodeNext'}
 = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'two_nodes_between_chapters'}[0];
-$result_elements{'two_nodes_between_chapters'}[1] = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'};
-$result_elements{'two_nodes_between_chapters'}[2] = 
$result_elements{'two_nodes_between_chapters'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'two_nodes_between_chapters'}[1] = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'};
+$result_elements{'two_nodes_between_chapters'}[2] = 
$result_elements{'two_nodes_between_chapters'}[0]{'extra'}{'node'}{'structure'}{'menu_child'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 
 
diff --git a/tp/t/results/sectioning/two_unnumbered_no_argument.pl 
b/tp/t/results/sectioning/two_unnumbered_no_argument.pl
index 79bbcaeece..7e896a1949 100644
--- a/tp/t/results/sectioning/two_unnumbered_no_argument.pl
+++ b/tp/t/results/sectioning/two_unnumbered_no_argument.pl
@@ -34,10 +34,7 @@ $result_trees{'two_unnumbered_no_argument'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -61,10 +58,7 @@ $result_trees{'two_unnumbered_no_argument'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/unknown_node_in_menu.pl 
b/tp/t/results/sectioning/unknown_node_in_menu.pl
index 24674245d5..efcd8b656a 100644
--- a/tp/t/results/sectioning/unknown_node_in_menu.pl
+++ b/tp/t/results/sectioning/unknown_node_in_menu.pl
@@ -168,8 +168,7 @@ $result_trees{'unknown_node_in_menu'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/unnumbered_before_node_top_top.pl 
b/tp/t/results/sectioning/unnumbered_before_node_top_top.pl
index 8de62e928c..3f269e60ea 100644
--- a/tp/t/results/sectioning/unnumbered_before_node_top_top.pl
+++ b/tp/t/results/sectioning/unnumbered_before_node_top_top.pl
@@ -10,197 +10,196 @@ $result_trees{'unnumbered_before_node_top_top'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'before nodes'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'before nodes'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'in unnumbered
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'in unnumbered
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 5,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 6,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
-            }
-          ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 5,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 6,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'unnumbered_before_node_top_top'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'unnumbered_before_node_top_top'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'unnumbered_before_node_top_top'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'contents'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1]{'parent'} = 
$result_trees{'unnumbered_before_node_top_top'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'node'} = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1];
-$result_trees{'unnumbered_before_node_top_top'}[1]{'structure'}{'unit_prev'} = 
$result_trees{'unnumbered_before_node_top_top'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = $result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[1] = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[0]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[0] = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_node_top_top'}[1]{'contents'}[1] = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'node'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_before_node_top_top'}[1]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_node_top_top'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
 
 $result_texis{'unnumbered_before_node_top_top'} = '@unnumbered before nodes
 
@@ -232,37 +231,88 @@ $result_sectioning{'unnumbered_before_node_top_top'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
-          'level' => 1,
-          'section_up' => {}
-        }
-      },
-      {
-        'cmdname' => 'top',
-        'extra' => {
-          'associated_node' => {
-            'cmdname' => 'node',
+          'associated_unit' => {
             'extra' => {
-              'normalized' => 'Top',
-              'spaces_before_argument' => ' '
+              'section' => {},
+              'unit_command' => {}
             },
-            'structure' => {}
+            'structure' => {
+              'directions' => {
+                'FastForward' => {
+                  'extra' => {
+                    'node' => {
+                      'cmdname' => 'node',
+                      'extra' => {
+                        'normalized' => 'Top',
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {}
+                      }
+                    },
+                    'section' => {
+                      'cmdname' => 'top',
+                      'extra' => {
+                        'associated_node' => {},
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'section_prev' => {},
+                        'section_up' => {},
+                        'toplevel_prev' => {}
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'Prev' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'Next' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
           },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
           'level' => 1,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
+          'section_up' => {}
         }
-      }
+      },
+      {}
     ]
   }
 };
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_before_node_top_top'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_before_node_top_top'};
-$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_before_node_top_top'};
-$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'unnumbered_before_node_top_top'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_nodes{'unnumbered_before_node_top_top'} = {
   'cmdname' => 'node',
@@ -273,14 +323,72 @@ $result_nodes{'unnumbered_before_node_top_top'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'Back' => {
+                'extra' => {
+                  'section' => {
+                    'cmdname' => 'unnumbered',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {},
+                    'Forward' => {},
+                    'Next' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              },
+              'FastBack' => {},
+              'Prev' => {},
+              'This' => {}
+            },
+            'unit_prev' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 1
       }
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {}
+  }
 };
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'unnumbered_before_node_top_top'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_nodes{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_before_node_top_top'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
 
 $result_menus{'unnumbered_before_node_top_top'} = {
   'cmdname' => 'node',
@@ -288,8 +396,73 @@ $result_menus{'unnumbered_before_node_top_top'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'top',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'Back' => {
+            'extra' => {
+              'section' => {
+                'cmdname' => 'unnumbered',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'FastForward' => {},
+                'Forward' => {},
+                'Next' => {},
+                'This' => {}
+              },
+              'unit_next' => {}
+            },
+            'type' => 'unit'
+          },
+          'FastBack' => {},
+          'Prev' => {},
+          'This' => {}
+        },
+        'unit_prev' => {}
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'unnumbered_before_node_top_top'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'extra'}{'section'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'}{'structure'}{'unit_next'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'unit_prev'}
 = 
$result_menus{'unnumbered_before_node_top_top'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Back'};
 
 $result_errors{'unnumbered_before_node_top_top'} = [
   {
@@ -316,6 +489,7 @@ $result_elements{'unnumbered_before_node_top_top'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1
         }
       },
@@ -331,7 +505,9 @@ $result_elements{'unnumbered_before_node_top_top'} = [
                 'normalized' => 'Top',
                 'spaces_before_argument' => ' '
               },
-              'structure' => {}
+              'structure' => {
+                'associated_unit' => {}
+              }
             },
             'section' => {
               'cmdname' => 'top',
@@ -339,6 +515,7 @@ $result_elements{'unnumbered_before_node_top_top'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1
               }
             },
@@ -363,7 +540,10 @@ $result_elements{'unnumbered_before_node_top_top'} = [
   },
   {}
 ];
+$result_elements{'unnumbered_before_node_top_top'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_before_node_top_top'}[0];
 $result_elements{'unnumbered_before_node_top_top'}[0]{'extra'}{'unit_command'} 
= $result_elements{'unnumbered_before_node_top_top'}[0]{'extra'}{'section'};
+$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'};
+$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'unnumbered_before_node_top_top'}[0];
 
$result_elements{'unnumbered_before_node_top_top'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'unnumbered_before_node_top_top'}[0];
diff --git a/tp/t/results/sectioning/unnumbered_before_top.pl 
b/tp/t/results/sectioning/unnumbered_before_top.pl
index be15e27655..ed42c91afe 100644
--- a/tp/t/results/sectioning/unnumbered_before_top.pl
+++ b/tp/t/results/sectioning/unnumbered_before_top.pl
@@ -46,10 +46,7 @@ $result_trees{'unnumbered_before_top'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -78,10 +75,7 @@ $result_trees{'unnumbered_before_top'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/unnumbered_before_top_node.pl 
b/tp/t/results/sectioning/unnumbered_before_top_node.pl
index e2c5baaee4..4bc0c897f0 100644
--- a/tp/t/results/sectioning/unnumbered_before_top_node.pl
+++ b/tp/t/results/sectioning/unnumbered_before_top_node.pl
@@ -10,163 +10,167 @@ $result_trees{'unnumbered_before_top_node'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'before nodes'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'before nodes'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top node
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top node
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          },
-          {
-            'args' => [
-              {
-                'contents' => [
+                  'type' => 'empty_line'
+                },
+                {
+                  'args' => [
+                    {
+                      'contents' => [
+                        {
+                          'parent' => {},
+                          'text' => 'Title titlefont'
+                        }
+                      ],
+                      'parent' => {},
+                      'type' => 'brace_command_arg'
+                    }
+                  ],
+                  'cmdname' => 'titlefont',
+                  'contents' => [],
+                  'line_nr' => {
+                    'file_name' => '',
+                    'line_nr' => 6,
+                    'macro' => ''
+                  },
+                  'parent' => {}
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
                   {
-                    'parent' => {},
-                    'text' => 'Title titlefont'
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
                   }
                 ],
-                'parent' => {},
-                'type' => 'brace_command_arg'
-              }
-            ],
-            'cmdname' => 'titlefont',
-            'contents' => [],
-            'line_nr' => {
-              'file_name' => '',
-              'line_nr' => 6,
-              'macro' => ''
-            },
-            'parent' => {}
-          },
-          {
-            'parent' => {},
-            'text' => '
-'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'Top'
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 3,
+                'macro' => ''
+              },
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 3,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'unnumbered_before_top_node'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'unnumbered_before_top_node'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[2]{'args'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'contents'}[3]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'unnumbered_before_top_node'}[0];
-$result_trees{'unnumbered_before_top_node'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1];
-$result_trees{'unnumbered_before_top_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'args'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[3]{'parent'}
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[1] = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[2] = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_before_top_node'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_before_top_node'}[0]{'extra'}{'unit_command'} = 
$result_trees{'unnumbered_before_top_node'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
 
 $result_texis{'unnumbered_before_top_node'} = '@unnumbered before nodes
 
@@ -195,6 +199,18 @@ $result_sectioning{'unnumbered_before_top_node'} = {
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {
+            'extra' => {
+              'section' => {},
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'This' => {}
+              }
+            },
+            'type' => 'unit'
+          },
           'level' => 1,
           'section_up' => {}
         }
@@ -202,6 +218,9 @@ $result_sectioning{'unnumbered_before_top_node'} = {
     ]
   }
 };
+$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'};
 
$result_sectioning{'unnumbered_before_top_node'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_before_top_node'};
 
 $result_nodes{'unnumbered_before_top_node'} = {
@@ -210,8 +229,33 @@ $result_nodes{'unnumbered_before_top_node'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'section' => {
+          'cmdname' => 'unnumbered',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'unnumbered_before_top_node'}{'structure'}{'associated_unit'};
 
 $result_menus{'unnumbered_before_top_node'} = {
   'cmdname' => 'node',
@@ -219,8 +263,33 @@ $result_menus{'unnumbered_before_top_node'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'section' => {
+          'cmdname' => 'unnumbered',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'unnumbered_before_top_node'}{'structure'}{'associated_unit'};
 
 $result_errors{'unnumbered_before_top_node'} = [];
 
@@ -237,6 +306,7 @@ $result_elements{'unnumbered_before_top_node'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1
         }
       },
@@ -250,6 +320,7 @@ $result_elements{'unnumbered_before_top_node'} = [
     'type' => 'unit'
   }
 ];
+$result_elements{'unnumbered_before_top_node'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_before_top_node'}[0];
 $result_elements{'unnumbered_before_top_node'}[0]{'extra'}{'unit_command'} = 
$result_elements{'unnumbered_before_top_node'}[0]{'extra'}{'section'};
 
$result_elements{'unnumbered_before_top_node'}[0]{'structure'}{'directions'}{'This'}
 = $result_elements{'unnumbered_before_top_node'}[0];
 
diff --git a/tp/t/results/sectioning/unnumbered_no_argument.pl 
b/tp/t/results/sectioning/unnumbered_no_argument.pl
index f1e1e492af..824903cfa7 100644
--- a/tp/t/results/sectioning/unnumbered_no_argument.pl
+++ b/tp/t/results/sectioning/unnumbered_no_argument.pl
@@ -34,10 +34,7 @@ $result_trees{'unnumbered_no_argument'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/sectioning/unnumbered_top_without_node_nodes.pl 
b/tp/t/results/sectioning/unnumbered_top_without_node_nodes.pl
index 3d941d1249..673ec866f4 100644
--- a/tp/t/results/sectioning/unnumbered_top_without_node_nodes.pl
+++ b/tp/t/results/sectioning/unnumbered_top_without_node_nodes.pl
@@ -10,394 +10,392 @@ $result_trees{'unnumbered_top_without_node_nodes'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'a node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'a node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'a-node'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'a-node',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => 'dir'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
               },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'in unnumbered
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
               ],
-              'normalized' => 'a-node'
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
-            undef,
             {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'a-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'in unnumbered
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top section
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 6,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'second'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'second',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top section
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 6,
-          'macro' => ''
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text of chapter
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second'
-            },
-            undef,
-            undef,
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'second',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text of chapter
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 10,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'unit_command'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1]{'parent'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'unit_command'} 
= $result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_nodes'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'unnumbered_top_without_node_nodes'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[1] = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[2] = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[3] = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'unit_command'} 
= 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[0] = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[1]{'contents'}[1] = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_nodes'}[1]{'extra'}{'unit_command'} 
= 
$result_trees{'unnumbered_top_without_node_nodes'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
 
 $result_texis{'unnumbered_top_without_node_nodes'} = '@node a node,,,(dir)
 @unnumbered unnumbered
@@ -442,60 +440,136 @@ $result_sectioning{'unnumbered_top_without_node_nodes'} 
= {
               'normalized' => 'a-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastBack' => {},
+                    'FastForward' => {},
+                    'Forward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'normalized' => 'second',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {}
+                          }
+                        },
+                        'section' => {
+                          'cmdname' => 'chapter',
+                          'extra' => {
+                            'associated_node' => {},
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'number' => 1,
+                            'section_prev' => {
+                              'cmdname' => 'top',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 1,
+                                'section_prev' => {},
+                                'section_up' => {},
+                                'toplevel_prev' => {}
+                              }
+                            },
+                            'section_up' => {},
+                            'toplevel_prev' => {},
+                            'toplevel_up' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'NodeUp' => {
+                            'extra' => {
+                              'manual_content' => [
+                                {
+                                  'text' => 'dir'
+                                }
+                              ]
+                            },
+                            'type' => 'external_node'
+                          },
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'section_up' => {}
         }
       },
-      {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
-        }
-      },
-      {
-        'cmdname' => 'chapter',
-        'extra' => {
-          'associated_node' => {
-            'cmdname' => 'node',
-            'extra' => {
-              'normalized' => 'second',
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'number' => 1,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {},
-          'toplevel_up' => {}
-        }
-      }
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_nodes'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_nodes'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_nodes'};
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_nodes'};
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_nodes'};
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1];
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'section_prev'};
+$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'unnumbered_top_without_node_nodes'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'};
 
 $result_nodes{'unnumbered_top_without_node_nodes'} = {
   'cmdname' => 'node',
@@ -506,6 +580,84 @@ $result_nodes{'unnumbered_top_without_node_nodes'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastBack' => {},
+              'FastForward' => {},
+              'Forward' => {
+                'extra' => {
+                  'node' => {
+                    'cmdname' => 'node',
+                    'extra' => {
+                      'associated_section' => {
+                        'cmdname' => 'chapter',
+                        'extra' => {
+                          'spaces_before_argument' => ' '
+                        },
+                        'structure' => {
+                          'associated_unit' => {},
+                          'level' => 1,
+                          'number' => 1
+                        }
+                      },
+                      'normalized' => 'second',
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'node_up' => {
+                        'extra' => {
+                          'manual_content' => [
+                            {
+                              'text' => 'dir'
+                            }
+                          ]
+                        },
+                        'structure' => {}
+                      }
+                    }
+                  },
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => []
+                      },
+                      'type' => 'external_node'
+                    },
+                    'Prev' => {},
+                    'This' => {}
+                  },
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'NodeUp' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 1
       }
     },
@@ -513,18 +665,33 @@ $result_nodes{'unnumbered_top_without_node_nodes'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {},
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       },
       'structure' => {}
     }
   }
 };
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'unnumbered_top_without_node_nodes'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_nodes{'unnumbered_top_without_node_nodes'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'node_up'}{'extra'}{'manual_content'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_nodes'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'unnumbered_top_without_node_nodes'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'unnumbered_top_without_node_nodes'} = {
   'cmdname' => 'node',
@@ -532,8 +699,103 @@ $result_menus{'unnumbered_top_without_node_nodes'} = {
     'normalized' => 'a-node',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'unnumbered',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastBack' => {},
+          'FastForward' => {},
+          'Forward' => {
+            'extra' => {
+              'node' => {
+                'cmdname' => 'node',
+                'extra' => {
+                  'normalized' => 'second',
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {}
+                }
+              },
+              'section' => {
+                'cmdname' => 'chapter',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1,
+                  'number' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'NodeUp' => {
+                  'extra' => {
+                    'manual_content' => [
+                      {
+                        'text' => 'dir'
+                      }
+                    ]
+                  },
+                  'type' => 'external_node'
+                },
+                'Prev' => {},
+                'This' => {}
+              },
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'unnumbered_top_without_node_nodes'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = $result_menus{'unnumbered_top_without_node_nodes'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'unnumbered_top_without_node_nodes'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'};
 
 $result_errors{'unnumbered_top_without_node_nodes'} = [
   {
@@ -569,7 +831,9 @@ $result_elements{'unnumbered_top_without_node_nodes'} = [
           'normalized' => 'a-node',
           'spaces_before_argument' => ' '
         },
-        'structure' => {}
+        'structure' => {
+          'associated_unit' => {}
+        }
       },
       'section' => {
         'cmdname' => 'unnumbered',
@@ -577,6 +841,7 @@ $result_elements{'unnumbered_top_without_node_nodes'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1
         }
       },
@@ -594,7 +859,9 @@ $result_elements{'unnumbered_top_without_node_nodes'} = [
                 'normalized' => 'second',
                 'spaces_before_argument' => ' '
               },
-              'structure' => {}
+              'structure' => {
+                'associated_unit' => {}
+              }
             },
             'section' => {
               'cmdname' => 'chapter',
@@ -602,6 +869,7 @@ $result_elements{'unnumbered_top_without_node_nodes'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1,
                 'number' => 1
               }
@@ -644,9 +912,13 @@ $result_elements{'unnumbered_top_without_node_nodes'} = [
   },
   {}
 ];
+$result_elements{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
+$result_elements{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'unit_command'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0]{'extra'}{'node'};
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'FastForward'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
+$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'};
+$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'};
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'unit_command'}
 = 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'extra'}{'node'};
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
 
$result_elements{'unnumbered_top_without_node_nodes'}[0]{'structure'}{'directions'}{'Forward'}{'structure'}{'directions'}{'Prev'}
 = $result_elements{'unnumbered_top_without_node_nodes'}[0];
diff --git a/tp/t/results/sectioning/unnumbered_top_without_node_sections.pl 
b/tp/t/results/sectioning/unnumbered_top_without_node_sections.pl
index de52eaecc4..7c333c62fc 100644
--- a/tp/t/results/sectioning/unnumbered_top_without_node_sections.pl
+++ b/tp/t/results/sectioning/unnumbered_top_without_node_sections.pl
@@ -10,409 +10,403 @@ $result_trees{'unnumbered_top_without_node_sections'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'a node'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'a node'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'a-node'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'a-node',
+                'spaces_before_argument' => ' '
               },
-              {
-                'parent' => {},
-                'text' => 'dir'
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
               },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'parent' => {}
+            },
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'unnumbered'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'unnumbered',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'in unnumbered
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 2,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'top section'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
+'
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
               ],
-              'normalized' => 'a-node'
+              'cmdname' => 'top',
+              'contents' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top section
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                },
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 6,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            undef,
-            undef,
             {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'a-node',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'unnumbered'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'second'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [],
+                  'parent' => {},
+                  'type' => 'line_arg'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => '('
+                    },
+                    {
+                      'parent' => {},
+                      'text' => 'dir'
+                    },
+                    {
+                      'parent' => {},
+                      'text' => ')'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'second'
+                  },
+                  undef,
+                  undef,
+                  {
+                    'manual_content' => [
+                      {}
+                    ]
+                  }
+                ],
+                'normalized' => 'second',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 9,
+                'macro' => ''
+              },
+              'parent' => {}
             },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'unnumbered',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'in unnumbered
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Chapter'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'chapter',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 2,
-          'macro' => ''
+                  'type' => 'empty_line'
+                },
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Text of chapter
+'
+                    }
+                  ],
+                  'parent' => {},
+                  'type' => 'paragraph'
+                }
+              ],
+              'extra' => {
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 10,
+                'macro' => ''
+              },
+              'parent' => {}
+            }
+          ],
+          'type' => 'document_root'
         },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+        'type' => 'before_node_section'
+      },
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {},
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'top section'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'top',
-        'contents' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top section
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          },
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 6,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1
-        }
-      }
+      {}
     ],
     'extra' => {
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   },
   {
     'contents' => [
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'second'
-              }
-            ],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [],
-            'parent' => {},
-            'type' => 'line_arg'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => '('
-              },
-              {
-                'parent' => {},
-                'text' => 'dir'
-              },
-              {
-                'parent' => {},
-                'text' => ')'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
-            {
-              'node_content' => [
-                {}
-              ],
-              'normalized' => 'second'
-            },
-            undef,
-            undef,
-            {
-              'manual_content' => [
-                {}
-              ]
-            }
-          ],
-          'normalized' => 'second',
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 9,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Chapter'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
-'
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'chapter',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'empty_line'
-          },
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Text of chapter
-'
-              }
-            ],
-            'parent' => {},
-            'type' => 'paragraph'
-          }
-        ],
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 10,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {
-          'level' => 1,
-          'number' => 1
-        }
-      }
+      {},
+      {}
     ],
     'extra' => {
       'node' => {},
       'section' => {},
       'unit_command' => {}
     },
-    'structure' => {
-      'unit_prev' => {}
-    },
     'type' => 'unit'
   }
 ];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'args'}[3]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'unit_command'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'extra'}{'unit_command'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[1]{'structure'}{'unit_prev'}
 = $result_trees{'unnumbered_top_without_node_sections'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[2]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[0]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'args'}[3]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'args'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1]{'parent'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'unit_command'}
 = $result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1];
-$result_trees{'unnumbered_top_without_node_sections'}[2]{'structure'}{'unit_prev'}
 = $result_trees{'unnumbered_top_without_node_sections'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[0]
 = $result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[3]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[2]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[0]{'contents'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'extra'}{'nodes_manuals'}[3]{'manual_content'}[0]
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'args'}[3]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'args'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'contents'}[0]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'contents'}[1]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5]{'parent'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'};
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[1] = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[2] = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'unnumbered_top_without_node_sections'}[1]{'contents'}[0] = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[1]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[1]{'extra'}{'unit_command'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[3];
+$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[0] = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[2]{'contents'}[1] = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'node'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[4];
+$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'section'} = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
+$result_trees{'unnumbered_top_without_node_sections'}[2]{'extra'}{'unit_command'}
 = 
$result_trees{'unnumbered_top_without_node_sections'}[0]{'contents'}[0]{'parent'}{'contents'}[5];
 
 $result_texis{'unnumbered_top_without_node_sections'} = '@node a node,,,(dir)
 @unnumbered unnumbered
@@ -457,60 +451,167 @@ 
$result_sectioning{'unnumbered_top_without_node_sections'} = {
               'normalized' => 'a-node',
               'spaces_before_argument' => ' '
             },
-            'structure' => {}
+            'structure' => {
+              'associated_unit' => {
+                'extra' => {
+                  'node' => {},
+                  'section' => {},
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'FastForward' => {
+                      'extra' => {
+                        'section' => {
+                          'cmdname' => 'top',
+                          'extra' => {
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'level' => 1,
+                            'section_prev' => {},
+                            'section_up' => {},
+                            'toplevel_prev' => {}
+                          }
+                        },
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'FastForward' => {
+                            'extra' => {
+                              'node' => {
+                                'cmdname' => 'node',
+                                'extra' => {
+                                  'normalized' => 'second',
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {}
+                                }
+                              },
+                              'section' => {
+                                'cmdname' => 'chapter',
+                                'extra' => {
+                                  'associated_node' => {},
+                                  'spaces_before_argument' => ' '
+                                },
+                                'structure' => {
+                                  'associated_unit' => {},
+                                  'level' => 1,
+                                  'number' => 1,
+                                  'section_prev' => {},
+                                  'section_up' => {},
+                                  'toplevel_prev' => {},
+                                  'toplevel_up' => {}
+                                }
+                              },
+                              'unit_command' => {}
+                            },
+                            'structure' => {
+                              'directions' => {
+                                'Back' => {},
+                                'FastBack' => {},
+                                'NodeUp' => {
+                                  'extra' => {
+                                    'manual_content' => [
+                                      {
+                                        'text' => 'dir'
+                                      }
+                                    ]
+                                  },
+                                  'type' => 'external_node'
+                                },
+                                'Prev' => {},
+                                'This' => {}
+                              },
+                              'unit_prev' => {}
+                            },
+                            'type' => 'unit'
+                          },
+                          'Forward' => {},
+                          'Next' => {},
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_next' => {},
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'NodeUp' => {
+                      'extra' => {
+                        'manual_content' => [
+                          {
+                            'text' => 'dir'
+                          }
+                        ]
+                      },
+                      'type' => 'external_node'
+                    },
+                    'This' => {}
+                  },
+                  'unit_next' => {}
+                },
+                'type' => 'unit'
+              }
+            }
           },
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1,
           'section_up' => {}
         }
       },
-      {
-        'cmdname' => 'top',
-        'extra' => {
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {}
-        }
-      },
-      {
-        'cmdname' => 'chapter',
-        'extra' => {
-          'associated_node' => {
-            'cmdname' => 'node',
-            'extra' => {
-              'normalized' => 'second',
-              'spaces_before_argument' => ' '
-            },
-            'structure' => {}
-          },
-          'spaces_before_argument' => ' '
-        },
-        'structure' => {
-          'level' => 1,
-          'number' => 1,
-          'section_prev' => {},
-          'section_up' => {},
-          'toplevel_prev' => {},
-          'toplevel_up' => {}
-        }
-      }
+      {},
+      {}
     ]
   }
 };
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_sections'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structur
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'extra'}{'associated_node'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'struc
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_sections'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastF
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'direction
 [...]
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'associated_unit'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'};
 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_sections'};
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_sections'};
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0];
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'section_up'}
 = $result_sectioning{'unnumbered_top_without_node_sections'};
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_prev'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1];
-$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[2]{'structure'}{'toplevel_up'}
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1];
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[1]
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[2]
 = 
$result_sectioning{'unnumbered_top_without_node_sections'}{'structure'}{'section_childs'}[0]{'extra'}{'associated_node'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
 $result_nodes{'unnumbered_top_without_node_sections'} = {
   'cmdname' => 'node',
@@ -521,6 +622,113 @@ $result_nodes{'unnumbered_top_without_node_sections'} = {
         'spaces_before_argument' => ' '
       },
       'structure' => {
+        'associated_unit' => {
+          'extra' => {
+            'node' => {},
+            'section' => {},
+            'unit_command' => {}
+          },
+          'structure' => {
+            'directions' => {
+              'FastForward' => {
+                'extra' => {
+                  'section' => {
+                    'cmdname' => 'top',
+                    'extra' => {
+                      'spaces_before_argument' => ' '
+                    },
+                    'structure' => {
+                      'associated_unit' => {},
+                      'level' => 1
+                    }
+                  },
+                  'unit_command' => {}
+                },
+                'structure' => {
+                  'directions' => {
+                    'Back' => {},
+                    'FastBack' => {},
+                    'FastForward' => {
+                      'extra' => {
+                        'node' => {
+                          'cmdname' => 'node',
+                          'extra' => {
+                            'associated_section' => {
+                              'cmdname' => 'chapter',
+                              'extra' => {
+                                'spaces_before_argument' => ' '
+                              },
+                              'structure' => {
+                                'associated_unit' => {},
+                                'level' => 1,
+                                'number' => 1
+                              }
+                            },
+                            'normalized' => 'second',
+                            'spaces_before_argument' => ' '
+                          },
+                          'structure' => {
+                            'associated_unit' => {},
+                            'node_up' => {
+                              'extra' => {
+                                'manual_content' => [
+                                  {
+                                    'text' => 'dir'
+                                  }
+                                ]
+                              },
+                              'structure' => {}
+                            }
+                          }
+                        },
+                        'section' => {},
+                        'unit_command' => {}
+                      },
+                      'structure' => {
+                        'directions' => {
+                          'Back' => {},
+                          'FastBack' => {},
+                          'NodeUp' => {
+                            'extra' => {
+                              'manual_content' => []
+                            },
+                            'type' => 'external_node'
+                          },
+                          'Prev' => {},
+                          'This' => {}
+                        },
+                        'unit_prev' => {}
+                      },
+                      'type' => 'unit'
+                    },
+                    'Forward' => {},
+                    'Next' => {},
+                    'Prev' => {},
+                    'This' => {}
+                  },
+                  'unit_next' => {},
+                  'unit_prev' => {}
+                },
+                'type' => 'unit'
+              },
+              'Forward' => {},
+              'Next' => {},
+              'NodeUp' => {
+                'extra' => {
+                  'manual_content' => [
+                    {
+                      'text' => 'dir'
+                    }
+                  ]
+                },
+                'type' => 'external_node'
+              },
+              'This' => {}
+            },
+            'unit_next' => {}
+          },
+          'type' => 'unit'
+        },
         'level' => 1
       }
     },
@@ -528,18 +736,44 @@ $result_nodes{'unnumbered_top_without_node_sections'} = {
     'spaces_before_argument' => ' '
   },
   'structure' => {
+    'associated_unit' => {},
     'node_up' => {
       'extra' => {
-        'manual_content' => [
-          {
-            'text' => 'dir'
-          }
-        ]
+        'manual_content' => []
       },
       'structure' => {}
     }
   }
 };
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_nodes{'unnumbered_top_without_node_sections'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'section'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'extra'}{'associated_section'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'struct
 [...]
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'};
+$result_nodes{'unnumbered_top_without_node_sections'}{'structure'}{'node_up'}{'extra'}{'manual_content'}
 = 
$result_nodes{'unnumbered_top_without_node_sections'}{'extra'}{'associated_section'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'NodeUp'}{'extra'}{'manual_content'};
 
 $result_menus{'unnumbered_top_without_node_sections'} = {
   'cmdname' => 'node',
@@ -547,8 +781,143 @@ $result_menus{'unnumbered_top_without_node_sections'} = {
     'normalized' => 'a-node',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {
+        'node' => {},
+        'section' => {
+          'cmdname' => 'unnumbered',
+          'extra' => {
+            'spaces_before_argument' => ' '
+          },
+          'structure' => {
+            'associated_unit' => {},
+            'level' => 1
+          }
+        },
+        'unit_command' => {}
+      },
+      'structure' => {
+        'directions' => {
+          'FastForward' => {
+            'extra' => {
+              'section' => {
+                'cmdname' => 'top',
+                'extra' => {
+                  'spaces_before_argument' => ' '
+                },
+                'structure' => {
+                  'associated_unit' => {},
+                  'level' => 1
+                }
+              },
+              'unit_command' => {}
+            },
+            'structure' => {
+              'directions' => {
+                'Back' => {},
+                'FastBack' => {},
+                'FastForward' => {
+                  'extra' => {
+                    'node' => {
+                      'cmdname' => 'node',
+                      'extra' => {
+                        'normalized' => 'second',
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {}
+                      }
+                    },
+                    'section' => {
+                      'cmdname' => 'chapter',
+                      'extra' => {
+                        'spaces_before_argument' => ' '
+                      },
+                      'structure' => {
+                        'associated_unit' => {},
+                        'level' => 1,
+                        'number' => 1
+                      }
+                    },
+                    'unit_command' => {}
+                  },
+                  'structure' => {
+                    'directions' => {
+                      'Back' => {},
+                      'FastBack' => {},
+                      'NodeUp' => {
+                        'extra' => {
+                          'manual_content' => [
+                            {
+                              'text' => 'dir'
+                            }
+                          ]
+                        },
+                        'type' => 'external_node'
+                      },
+                      'Prev' => {},
+                      'This' => {}
+                    },
+                    'unit_prev' => {}
+                  },
+                  'type' => 'unit'
+                },
+                'Forward' => {},
+                'Next' => {},
+                'Prev' => {},
+                'This' => {}
+              },
+              'unit_next' => {},
+              'unit_prev' => {}
+            },
+            'type' => 'unit'
+          },
+          'Forward' => {},
+          'Next' => {},
+          'NodeUp' => {
+            'extra' => {
+              'manual_content' => [
+                {
+                  'text' => 'dir'
+                }
+              ]
+            },
+            'type' => 'external_node'
+          },
+          'This' => {}
+        },
+        'unit_next' => {}
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'node'}
 = $result_menus{'unnumbered_top_without_node_sections'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'extra'}{'section'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Prev'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_next'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'unit_prev'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Forward'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'Next'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'};
+$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'unit_next'}
 = 
$result_menus{'unnumbered_top_without_node_sections'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'FastForward'};
 
 $result_errors{'unnumbered_top_without_node_sections'} = [
   {
@@ -584,7 +953,9 @@ $result_elements{'unnumbered_top_without_node_sections'} = [
           'normalized' => 'a-node',
           'spaces_before_argument' => ' '
         },
-        'structure' => {}
+        'structure' => {
+          'associated_unit' => {}
+        }
       },
       'section' => {
         'cmdname' => 'unnumbered',
@@ -592,6 +963,7 @@ $result_elements{'unnumbered_top_without_node_sections'} = [
           'spaces_before_argument' => ' '
         },
         'structure' => {
+          'associated_unit' => {},
           'level' => 1
         }
       },
@@ -607,6 +979,7 @@ $result_elements{'unnumbered_top_without_node_sections'} = [
                 'spaces_before_argument' => ' '
               },
               'structure' => {
+                'associated_unit' => {},
                 'level' => 1
               }
             },
@@ -624,7 +997,9 @@ $result_elements{'unnumbered_top_without_node_sections'} = [
                       'normalized' => 'second',
                       'spaces_before_argument' => ' '
                     },
-                    'structure' => {}
+                    'structure' => {
+                      'associated_unit' => {}
+                    }
                   },
                   'section' => {
                     'cmdname' => 'chapter',
@@ -632,6 +1007,7 @@ $result_elements{'unnumbered_top_without_node_sections'} = 
[
                       'spaces_before_argument' => ' '
                     },
                     'structure' => {
+                      'associated_unit' => {},
                       'level' => 1,
                       'number' => 1
                     }
@@ -686,10 +1062,15 @@ $result_elements{'unnumbered_top_without_node_sections'} 
= [
   {},
   {}
 ];
+$result_elements{'unnumbered_top_without_node_sections'}[0]{'extra'}{'node'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_top_without_node_sections'}[0];
+$result_elements{'unnumbered_top_without_node_sections'}[0]{'extra'}{'section'}{'structure'}{'associated_unit'}
 = $result_elements{'unnumbered_top_without_node_sections'}[0];
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'extra'}{'unit_command'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'extra'}{'section'};
+$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = $result_elements{'unnumbered_top_without_node_sections'}[0];
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = $result_elements{'unnumbered_top_without_node_sections'}[0];
+$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'node'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
+$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'}{'structure'}{'associated_unit'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'unit_command'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'extra'}{'section'};
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'Back'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'};
 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastForward'}{'structure'}{'directions'}{'FastBack'}
 = 
$result_elements{'unnumbered_top_without_node_sections'}[0]{'structure'}{'directions'}{'FastForward'};
diff --git a/tp/t/results/value/value_in_index_commands.pl 
b/tp/t/results/value/value_in_index_commands.pl
index 98fd922a42..ca0f0478c2 100644
--- a/tp/t/results/value/value_in_index_commands.pl
+++ b/tp/t/results/value/value_in_index_commands.pl
@@ -782,8 +782,7 @@ $result_trees{'value_in_index_commands'} = {
         'line_nr' => 22,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/value/value_in_misc_commands.pl 
b/tp/t/results/value/value_in_misc_commands.pl
index 99ae2394d8..3577e47705 100644
--- a/tp/t/results/value/value_in_misc_commands.pl
+++ b/tp/t/results/value/value_in_misc_commands.pl
@@ -82,8 +82,7 @@ $result_trees{'value_in_misc_commands'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -130,8 +129,7 @@ $result_trees{'value_in_misc_commands'} = {
             'line_nr' => 5,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {}
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -2759,10 +2757,7 @@ $result_trees{'value_in_misc_commands'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
diff --git a/tp/t/results/value/value_in_node.pl 
b/tp/t/results/value/value_in_node.pl
index f0ad8f4c3e..b19233705a 100644
--- a/tp/t/results/value/value_in_node.pl
+++ b/tp/t/results/value/value_in_node.pl
@@ -158,8 +158,7 @@ $result_trees{'value_in_node'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -317,10 +316,7 @@ $result_trees{'value_in_node'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -403,8 +399,7 @@ $result_trees{'value_in_node'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -586,11 +581,7 @@ $result_trees{'value_in_node'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -725,8 +716,7 @@ $result_trees{'value_in_node'} = {
         'line_nr' => 19,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/value/value_node_directions.pl 
b/tp/t/results/value/value_node_directions.pl
index 764a3a8a86..234bc26fb8 100644
--- a/tp/t/results/value/value_node_directions.pl
+++ b/tp/t/results/value/value_node_directions.pl
@@ -151,8 +151,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -199,10 +198,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -305,8 +301,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -342,11 +337,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 8,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -439,8 +430,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 10,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -469,11 +459,7 @@ $result_trees{'value_node_directions'} = {
         'line_nr' => 11,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 2
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/xml_tests/commands_and_spaces.pl 
b/tp/t/results/xml_tests/commands_and_spaces.pl
index 3aaa3a6e51..72d4fe9d1a 100644
--- a/tp/t/results/xml_tests/commands_and_spaces.pl
+++ b/tp/t/results/xml_tests/commands_and_spaces.pl
@@ -805,10 +805,7 @@ $result_trees{'commands_and_spaces'} = {
             'line_nr' => 30,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
@@ -1829,8 +1826,7 @@ $result_trees{'commands_and_spaces'} = {
         'line_nr' => 9,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/xml_tests/comments_end_lines.pl 
b/tp/t/results/xml_tests/comments_end_lines.pl
index 40b4ffcf3e..f77a202ff7 100644
--- a/tp/t/results/xml_tests/comments_end_lines.pl
+++ b/tp/t/results/xml_tests/comments_end_lines.pl
@@ -873,10 +873,7 @@ $result_trees{'comments_end_lines'} = {
             'line_nr' => 28,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/xml_tests/comments_on_block_command_lines.pl 
b/tp/t/results/xml_tests/comments_on_block_command_lines.pl
index 97d2fc8d88..eaaf45798b 100644
--- a/tp/t/results/xml_tests/comments_on_block_command_lines.pl
+++ b/tp/t/results/xml_tests/comments_on_block_command_lines.pl
@@ -2128,10 +2128,7 @@ $result_trees{'comments_on_block_command_lines'} = {
             'line_nr' => 69,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => 1
-          }
+          'parent' => {}
         },
         {
           'parent' => {},
diff --git a/tp/t/results/xml_tests/image_inline_or_not.pl 
b/tp/t/results/xml_tests/image_inline_or_not.pl
index 40c7d7e753..f47825fae9 100644
--- a/tp/t/results/xml_tests/image_inline_or_not.pl
+++ b/tp/t/results/xml_tests/image_inline_or_not.pl
@@ -134,8 +134,7 @@ $result_trees{'image_inline_or_not'} = {
         'line_nr' => 5,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1113,10 +1112,7 @@ $result_trees{'image_inline_or_not'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -1178,8 +1174,7 @@ $result_trees{'image_inline_or_not'} = {
         'line_nr' => 41,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1605,10 +1600,7 @@ $result_trees{'image_inline_or_not'} = {
             'line_nr' => 55,
             'macro' => ''
           },
-          'parent' => {},
-          'structure' => {
-            'float_number' => '1.1'
-          }
+          'parent' => {}
         }
       ],
       'extra' => {
@@ -1619,11 +1611,7 @@ $result_trees{'image_inline_or_not'} = {
         'line_nr' => 42,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/results/xml_tests/node_and_bye.pl 
b/tp/t/results/xml_tests/node_and_bye.pl
index 697073fb2d..3faa7780c0 100644
--- a/tp/t/results/xml_tests/node_and_bye.pl
+++ b/tp/t/results/xml_tests/node_and_bye.pl
@@ -10,85 +10,92 @@ $result_trees{'node_and_bye'} = [
     'contents' => [
       {
         'contents' => [],
-        'parent' => {},
-        'type' => 'before_node_section'
-      },
-      {
-        'args' => [
-          {
-            'contents' => [
-              {
-                'parent' => {},
-                'text' => 'Top'
-              }
-            ],
-            'extra' => {
-              'spaces_after_argument' => '
+        'parent' => {
+          'contents' => [
+            {},
+            {
+              'args' => [
+                {
+                  'contents' => [
+                    {
+                      'parent' => {},
+                      'text' => 'Top'
+                    }
+                  ],
+                  'extra' => {
+                    'spaces_after_argument' => '
 '
-            },
-            'parent' => {},
-            'type' => 'line_arg'
-          }
-        ],
-        'cmdname' => 'node',
-        'contents' => [
-          {
-            'parent' => {},
-            'text' => '
+                  },
+                  'parent' => {},
+                  'type' => 'line_arg'
+                }
+              ],
+              'cmdname' => 'node',
+              'contents' => [
+                {
+                  'parent' => {},
+                  'text' => '
 ',
-            'type' => 'empty_line'
-          }
-        ],
-        'extra' => {
-          'node_content' => [
-            {}
-          ],
-          'nodes_manuals' => [
+                  'type' => 'empty_line'
+                }
+              ],
+              'extra' => {
+                'node_content' => [
+                  {}
+                ],
+                'nodes_manuals' => [
+                  {
+                    'node_content' => [
+                      {}
+                    ],
+                    'normalized' => 'Top'
+                  }
+                ],
+                'normalized' => 'Top',
+                'spaces_before_argument' => ' '
+              },
+              'line_nr' => {
+                'file_name' => '',
+                'line_nr' => 1,
+                'macro' => ''
+              },
+              'parent' => {}
+            },
             {
-              'node_content' => [
-                {}
+              'args' => [
+                {
+                  'parent' => {},
+                  'text' => '
+',
+                  'type' => 'misc_arg'
+                }
               ],
-              'normalized' => 'Top'
+              'cmdname' => 'bye',
+              'parent' => {}
             }
           ],
-          'normalized' => 'Top',
-          'spaces_before_argument' => ' '
+          'type' => 'document_root'
         },
-        'line_nr' => {
-          'file_name' => '',
-          'line_nr' => 1,
-          'macro' => ''
-        },
-        'parent' => {},
-        'structure' => {}
+        'type' => 'before_node_section'
       },
-      {
-        'args' => [
-          {
-            'parent' => {},
-            'text' => '
-',
-            'type' => 'misc_arg'
-          }
-        ],
-        'cmdname' => 'bye',
-        'parent' => {}
-      }
+      {},
+      {}
     ],
     'extra' => {},
-    'structure' => {},
     'type' => 'unit'
   }
 ];
-$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'} = 
$result_trees{'node_and_bye'}[0];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[1]{'args'}[0];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'args'}[0]{'parent'} = 
$result_trees{'node_and_bye'}[0]{'contents'}[1];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'contents'}[0]{'parent'} = 
$result_trees{'node_and_bye'}[0]{'contents'}[1];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'extra'}{'node_content'}[0] = 
$result_trees{'node_and_bye'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = $result_trees{'node_and_bye'}[0]{'contents'}[1]{'args'}[0]{'contents'}[0];
-$result_trees{'node_and_bye'}[0]{'contents'}[1]{'parent'} = 
$result_trees{'node_and_bye'}[0];
-$result_trees{'node_and_bye'}[0]{'contents'}[2]{'args'}[0]{'parent'} = 
$result_trees{'node_and_bye'}[0]{'contents'}[2];
-$result_trees{'node_and_bye'}[0]{'contents'}[2]{'parent'} = 
$result_trees{'node_and_bye'}[0];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[0] = 
$result_trees{'node_and_bye'}[0]{'contents'}[0];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0]{'parent'}
 = 
$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'contents'}[0]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'node_content'}[0]
 = 
$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'extra'}{'nodes_manuals'}[0]{'node_content'}[0]
 = 
$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'args'}[0]{'contents'}[0];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'args'}[0]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
+$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[2]{'parent'}
 = $result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'};
+$result_trees{'node_and_bye'}[0]{'contents'}[1] = 
$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[1];
+$result_trees{'node_and_bye'}[0]{'contents'}[2] = 
$result_trees{'node_and_bye'}[0]{'contents'}[0]{'parent'}{'contents'}[2];
 
 $result_texis{'node_and_bye'} = '@node Top
 
@@ -105,8 +112,19 @@ $result_nodes{'node_and_bye'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {},
+      'structure' => {
+        'directions' => {
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_nodes{'node_and_bye'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_nodes{'node_and_bye'}{'structure'}{'associated_unit'};
 
 $result_menus{'node_and_bye'} = {
   'cmdname' => 'node',
@@ -114,8 +132,19 @@ $result_menus{'node_and_bye'} = {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
   },
-  'structure' => {}
+  'structure' => {
+    'associated_unit' => {
+      'extra' => {},
+      'structure' => {
+        'directions' => {
+          'This' => {}
+        }
+      },
+      'type' => 'unit'
+    }
+  }
 };
+$result_menus{'node_and_bye'}{'structure'}{'associated_unit'}{'structure'}{'directions'}{'This'}
 = $result_menus{'node_and_bye'}{'structure'}{'associated_unit'};
 
 $result_errors{'node_and_bye'} = [];
 
diff --git a/tp/t/results/xml_tests/node_no_section.pl 
b/tp/t/results/xml_tests/node_no_section.pl
index a64f33c0af..ce275b7854 100644
--- a/tp/t/results/xml_tests/node_no_section.pl
+++ b/tp/t/results/xml_tests/node_no_section.pl
@@ -51,8 +51,7 @@ $result_trees{'node_no_section'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -75,8 +74,7 @@ $result_nodes{'node_no_section'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'node_no_section'} = {
@@ -84,8 +82,7 @@ $result_menus{'node_no_section'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'node_no_section'} = [];
diff --git a/tp/t/results/xtable/block_commands_in_table.pl 
b/tp/t/results/xtable/block_commands_in_table.pl
index bd97845cc7..9148b9af25 100644
--- a/tp/t/results/xtable/block_commands_in_table.pl
+++ b/tp/t/results/xtable/block_commands_in_table.pl
@@ -51,8 +51,7 @@ $result_trees{'block_commands_in_table'} = {
         'line_nr' => 1,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -1338,10 +1337,7 @@ $result_trees{'block_commands_in_table'} = {
         'line_nr' => 2,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
@@ -1646,8 +1642,7 @@ $result_sectioning{'block_commands_in_table'} = {
             'extra' => {
               'normalized' => 'Top',
               'spaces_before_argument' => ' '
-            },
-            'structure' => {}
+            }
           },
           'spaces_before_argument' => ' '
         },
@@ -1675,8 +1670,7 @@ $result_nodes{'block_commands_in_table'} = {
     },
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_menus{'block_commands_in_table'} = {
@@ -1684,8 +1678,7 @@ $result_menus{'block_commands_in_table'} = {
   'extra' => {
     'normalized' => 'Top',
     'spaces_before_argument' => ' '
-  },
-  'structure' => {}
+  }
 };
 
 $result_errors{'block_commands_in_table'} = [];
diff --git a/tp/t/results/xtable/inter_item_commands_in_table.pl 
b/tp/t/results/xtable/inter_item_commands_in_table.pl
index c05206596a..698bd6f803 100644
--- a/tp/t/results/xtable/inter_item_commands_in_table.pl
+++ b/tp/t/results/xtable/inter_item_commands_in_table.pl
@@ -87,8 +87,7 @@ $result_trees{'inter_item_commands_in_table'} = {
         'line_nr' => 3,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -124,10 +123,7 @@ $result_trees{'inter_item_commands_in_table'} = {
         'line_nr' => 4,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 0
-      }
+      'parent' => {}
     },
     {
       'args' => [
@@ -168,8 +164,7 @@ $result_trees{'inter_item_commands_in_table'} = {
         'line_nr' => 6,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {}
+      'parent' => {}
     },
     {
       'args' => [
@@ -2524,11 +2519,7 @@ $result_trees{'inter_item_commands_in_table'} = {
         'line_nr' => 7,
         'macro' => ''
       },
-      'parent' => {},
-      'structure' => {
-        'level' => 1,
-        'number' => 1
-      }
+      'parent' => {}
     }
   ],
   'type' => 'document_root'
diff --git a/tp/t/test_utils.pl b/tp/t/test_utils.pl
index b926d67a44..aafd6669b9 100644
--- a/tp/t/test_utils.pl
+++ b/tp/t/test_utils.pl
@@ -232,7 +232,13 @@ sub unsplit($)
     return;
   }
   foreach my $content (@{$root->{'contents'}}) {
-    $content->{'parent'} = $root;
+    if ($content->{'structure'} and 
$content->{'structure'}->{'associated_unit'}) {
+      delete $content->{'structure'}->{'associated_unit'};
+      if (scalar(keys(%{$content->{'structure'}})) == 0) {
+        delete $content->{'structure'};
+      }
+    }
+    #$content->{'parent'} = $root;
   }
   return;
 }
@@ -463,7 +469,8 @@ sub new_test($;$$$)
   return $test;
 }
 
-my @contents_keys = ('contents', 'args', 'parent', 'line_nr', 'node_content', 
+my @contents_keys = ('contents', 'args', 'parent',
+  'line_nr', 'node_content', 
   'nodes_manuals', 'misc_content', 'invalid_nesting', 
   'block_command_line_contents', 'spaces_after_command');
 my @menus_keys = ('menu_next', 'menu_up', 'menu_prev', 'menu_up_hash');
@@ -473,7 +480,7 @@ my @sections_keys = ('section_next', 'section_prev', 
'section_up',
 my @node_keys = ('node_next', 'node_prev', 'node_up', 'menus', 
   'associated_section');
 my %avoided_keys_tree;
-our @avoided_keys_tree = (@sections_keys, @menus_keys, @node_keys, 
+our @avoided_keys_tree = (@sections_keys, @menus_keys, @node_keys, 'structure',
    'menu_child', 'unit_next', 'directions', 'page_next', 'remaining_args');
 foreach my $avoided_key(@avoided_keys_tree) {
   $avoided_keys_tree{$avoided_key} = 1;



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